641330976

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 288

約数和(自身を含む): 2072093184

約数和(自身を除く): 1430762208

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 32, 33, 39, 44, 48, 52, 62, 66, 78, 88, 93, 96, 104, 121, 124, 132, 137, 143, 156, 176, 186, 208, 242, 248, 264, 274, 286, 312, 341, 352, 363, 372, 403, 411, 416, 429, 484, 496, 528, 548, 572, 624, 682, 726, 744, 806, 822, 858, 968, 992, 1023, 1056, 1096, 1144, 1209, 1248, 1364, 1452, 1488, 1507, 1573, 1612, 1644, 1716, 1781, 1936, 2046, 2192, 2288, 2418, 2728, 2904, 2976, 3014, 3146, 3224, 3288, 3432, 3562, 3751, 3872, 4092, 4247, 4384, 4433, 4521, 4576, 4719, 4836, 5343, 5456, 5808, 6028, 6292, 6448, 6576, 6864, 7124, 7502, 8184, 8494, 8866, 9042, 9438, 9672, 10686, 10912, 11253, 11616, 12056, 12584, 12741, 12896, 13152, 13299, 13728, 14248, 15004, 16368, 16577, 16988, 17732, 18084, 18876, 19344, 19591, 21372, 22506, 24112, 25168, 25482, 26598, 28496, 30008, 32736, 33154, 33976, 35464, 36168, 37752, 38688, 39182, 42744, 45012, 46717, 48224, 48763, 49731, 50336, 50964, 53196, 55211, 56992, 58773, 60016, 66308, 67952, 70928, 72336, 75504, 78364, 85488, 90024, 93434, 97526, 99462, 101928, 106392, 110422, 117546, 120032, 132616, 135904, 140151, 141856, 144672, 146289, 151008, 156728, 165633, 170976, 180048, 186868, 195052, 198924, 203856, 212784, 215501, 220844, 235092, 265232, 280302, 292578, 313456, 331266, 360096, 373736, 390104, 397848, 407712, 425568, 431002, 441688, 470184, 513887, 530464, 560604, 585156, 607321, 626912, 646503, 662532, 747472, 780208, 795696, 862004, 883376, 940368, 1027774, 1121208, 1170312, 1214642, 1293006, 1325064, 1494944, 1541661, 1560416, 1591392, 1724008, 1766752, 1821963, 1880736, 2055548, 2242416, 2340624, 2429284, 2586012, 2650128, 3083322, 3448016, 3643926, 4111096, 4484832, 4681248, 4858568, 5172024, 5300256, 6166644, 6680531, 6896032, 7287852, 8222192, 9717136, 10344048, 12333288, 13361062, 14575704, 16444384, 19434272, 20041593, 20688096, 24666576, 26722124, 29151408, 40083186, 49333152, 53444248, 58302816, 80166372, 106888496, 160332744, 213776992, 320665488, 641330976]

約数ペア:

[(1, 641330976), (2, 320665488), (3, 213776992), (4, 160332744), (6, 106888496), (8, 80166372), (11, 58302816), (12, 53444248), (13, 49333152), (16, 40083186), (22, 29151408), (24, 26722124), (26, 24666576), (31, 20688096), (32, 20041593), (33, 19434272), (39, 16444384), (44, 14575704), (48, 13361062), (52, 12333288), (62, 10344048), (66, 9717136), (78, 8222192), (88, 7287852), (93, 6896032), (96, 6680531), (104, 6166644), (121, 5300256), (124, 5172024), (132, 4858568), (137, 4681248), (143, 4484832), (156, 4111096), (176, 3643926), (186, 3448016), (208, 3083322), (242, 2650128), (248, 2586012), (264, 2429284), (274, 2340624), (286, 2242416), (312, 2055548), (341, 1880736), (352, 1821963), (363, 1766752), (372, 1724008), (403, 1591392), (411, 1560416), (416, 1541661), (429, 1494944), (484, 1325064), (496, 1293006), (528, 1214642), (548, 1170312), (572, 1121208), (624, 1027774), (682, 940368), (726, 883376), (744, 862004), (806, 795696), (822, 780208), (858, 747472), (968, 662532), (992, 646503), (1023, 626912), (1056, 607321), (1096, 585156), (1144, 560604), (1209, 530464), (1248, 513887), (1364, 470184), (1452, 441688), (1488, 431002), (1507, 425568), (1573, 407712), (1612, 397848), (1644, 390104), (1716, 373736), (1781, 360096), (1936, 331266), (2046, 313456), (2192, 292578), (2288, 280302), (2418, 265232), (2728, 235092), (2904, 220844), (2976, 215501), (3014, 212784), (3146, 203856), (3224, 198924), (3288, 195052), (3432, 186868), (3562, 180048), (3751, 170976), (3872, 165633), (4092, 156728), (4247, 151008), (4384, 146289), (4433, 144672), (4521, 141856), (4576, 140151), (4719, 135904), (4836, 132616), (5343, 120032), (5456, 117546), (5808, 110422), (6028, 106392), (6292, 101928), (6448, 99462), (6576, 97526), (6864, 93434), (7124, 90024), (7502, 85488), (8184, 78364), (8494, 75504), (8866, 72336), (9042, 70928), (9438, 67952), (9672, 66308), (10686, 60016), (10912, 58773), (11253, 56992), (11616, 55211), (12056, 53196), (12584, 50964), (12741, 50336), (12896, 49731), (13152, 48763), (13299, 48224), (13728, 46717), (14248, 45012), (15004, 42744), (16368, 39182), (16577, 38688), (16988, 37752), (17732, 36168), (18084, 35464), (18876, 33976), (19344, 33154), (19591, 32736), (21372, 30008), (22506, 28496), (24112, 26598), (25168, 25482)]