642501288

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 384

約数和(自身を含む): 2216524800

約数和(自身を除く): 1574023512

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 27, 31, 33, 36, 39, 44, 52, 54, 61, 62, 66, 72, 78, 88, 93, 99, 104, 108, 117, 121, 122, 124, 132, 143, 156, 183, 186, 198, 216, 234, 242, 244, 248, 264, 279, 286, 297, 312, 341, 351, 363, 366, 372, 396, 403, 429, 468, 484, 488, 549, 558, 572, 594, 671, 682, 702, 726, 732, 744, 792, 793, 806, 837, 858, 936, 968, 1023, 1089, 1098, 1116, 1144, 1188, 1209, 1287, 1342, 1364, 1404, 1452, 1464, 1573, 1586, 1612, 1647, 1674, 1716, 1891, 2013, 2046, 2178, 2196, 2232, 2376, 2379, 2418, 2574, 2684, 2728, 2808, 2904, 3069, 3146, 3172, 3224, 3267, 3294, 3348, 3432, 3627, 3751, 3782, 3861, 4026, 4092, 4356, 4392, 4433, 4719, 4758, 4836, 5148, 5368, 5673, 6039, 6138, 6292, 6344, 6534, 6588, 6696, 7137, 7254, 7381, 7502, 7564, 7722, 8052, 8184, 8712, 8723, 8866, 9207, 9438, 9516, 9672, 10296, 10881, 11253, 11346, 12078, 12276, 12584, 13068, 13176, 13299, 14157, 14274, 14508, 14762, 15004, 15128, 15444, 16104, 17019, 17446, 17732, 18117, 18414, 18876, 19032, 20801, 21411, 21762, 22143, 22506, 22692, 24156, 24552, 24583, 26136, 26169, 26598, 28314, 28548, 29016, 29524, 30008, 30888, 33759, 34038, 34892, 35464, 36234, 36828, 37752, 39897, 41602, 42471, 42822, 43524, 44286, 45012, 45384, 48312, 48763, 49166, 51057, 52338, 53196, 56628, 57096, 59048, 62403, 66429, 67518, 68076, 69784, 72468, 73656, 73749, 78507, 79794, 83204, 84942, 85644, 87048, 88572, 90024, 95953, 97526, 98332, 101277, 102114, 104676, 106392, 113256, 119691, 124806, 132858, 135036, 136152, 144936, 146289, 147498, 157014, 159588, 166408, 169884, 171288, 177144, 187209, 191906, 195052, 196664, 199287, 202554, 204228, 209352, 221247, 228811, 235521, 239382, 249612, 265716, 270072, 270413, 287859, 292578, 294996, 314028, 319176, 339768, 374418, 383812, 390104, 398574, 405108, 408456, 438867, 442494, 457622, 471042, 478764, 499224, 531432, 540826, 561627, 575718, 585156, 589992, 628056, 663741, 686433, 748836, 767624, 797148, 810216, 811239, 863577, 877734, 884988, 915244, 942084, 957528, 1081652, 1123254, 1151436, 1170312, 1316601, 1327482, 1372866, 1497672, 1594296, 1622478, 1727154, 1755468, 1769976, 1830488, 1884168, 2059299, 2163304, 2246508, 2302872, 2433717, 2590731, 2633202, 2654964, 2745732, 2974543, 3244956, 3454308, 3510936, 4118598, 4493016, 4867434, 5181462, 5266404, 5309928, 5491464, 5949086, 6177897, 6489912, 6908616, 7301151, 8237196, 8923629, 9734868, 10362924, 10532808, 11898172, 12355794, 14602302, 16474392, 17847258, 19469736, 20725848, 23796344, 24711588, 26770887, 29204604, 35694516, 49423176, 53541774, 58409208, 71389032, 80312661, 107083548, 160625322, 214167096, 321250644, 642501288]

約数ペア:

[(1, 642501288), (2, 321250644), (3, 214167096), (4, 160625322), (6, 107083548), (8, 80312661), (9, 71389032), (11, 58409208), (12, 53541774), (13, 49423176), (18, 35694516), (22, 29204604), (24, 26770887), (26, 24711588), (27, 23796344), (31, 20725848), (33, 19469736), (36, 17847258), (39, 16474392), (44, 14602302), (52, 12355794), (54, 11898172), (61, 10532808), (62, 10362924), (66, 9734868), (72, 8923629), (78, 8237196), (88, 7301151), (93, 6908616), (99, 6489912), (104, 6177897), (108, 5949086), (117, 5491464), (121, 5309928), (122, 5266404), (124, 5181462), (132, 4867434), (143, 4493016), (156, 4118598), (183, 3510936), (186, 3454308), (198, 3244956), (216, 2974543), (234, 2745732), (242, 2654964), (244, 2633202), (248, 2590731), (264, 2433717), (279, 2302872), (286, 2246508), (297, 2163304), (312, 2059299), (341, 1884168), (351, 1830488), (363, 1769976), (366, 1755468), (372, 1727154), (396, 1622478), (403, 1594296), (429, 1497672), (468, 1372866), (484, 1327482), (488, 1316601), (549, 1170312), (558, 1151436), (572, 1123254), (594, 1081652), (671, 957528), (682, 942084), (702, 915244), (726, 884988), (732, 877734), (744, 863577), (792, 811239), (793, 810216), (806, 797148), (837, 767624), (858, 748836), (936, 686433), (968, 663741), (1023, 628056), (1089, 589992), (1098, 585156), (1116, 575718), (1144, 561627), (1188, 540826), (1209, 531432), (1287, 499224), (1342, 478764), (1364, 471042), (1404, 457622), (1452, 442494), (1464, 438867), (1573, 408456), (1586, 405108), (1612, 398574), (1647, 390104), (1674, 383812), (1716, 374418), (1891, 339768), (2013, 319176), (2046, 314028), (2178, 294996), (2196, 292578), (2232, 287859), (2376, 270413), (2379, 270072), (2418, 265716), (2574, 249612), (2684, 239382), (2728, 235521), (2808, 228811), (2904, 221247), (3069, 209352), (3146, 204228), (3172, 202554), (3224, 199287), (3267, 196664), (3294, 195052), (3348, 191906), (3432, 187209), (3627, 177144), (3751, 171288), (3782, 169884), (3861, 166408), (4026, 159588), (4092, 157014), (4356, 147498), (4392, 146289), (4433, 144936), (4719, 136152), (4758, 135036), (4836, 132858), (5148, 124806), (5368, 119691), (5673, 113256), (6039, 106392), (6138, 104676), (6292, 102114), (6344, 101277), (6534, 98332), (6588, 97526), (6696, 95953), (7137, 90024), (7254, 88572), (7381, 87048), (7502, 85644), (7564, 84942), (7722, 83204), (8052, 79794), (8184, 78507), (8712, 73749), (8723, 73656), (8866, 72468), (9207, 69784), (9438, 68076), (9516, 67518), (9672, 66429), (10296, 62403), (10881, 59048), (11253, 57096), (11346, 56628), (12078, 53196), (12276, 52338), (12584, 51057), (13068, 49166), (13176, 48763), (13299, 48312), (14157, 45384), (14274, 45012), (14508, 44286), (14762, 43524), (15004, 42822), (15128, 42471), (15444, 41602), (16104, 39897), (17019, 37752), (17446, 36828), (17732, 36234), (18117, 35464), (18414, 34892), (18876, 34038), (19032, 33759), (20801, 30888), (21411, 30008), (21762, 29524), (22143, 29016), (22506, 28548), (22692, 28314), (24156, 26598), (24552, 26169), (24583, 26136)]