639052848

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 320

約数和(自身を含む): 2296995840

約数和(自身を除く): 1657942992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 31, 34, 36, 42, 48, 51, 54, 56, 62, 63, 68, 72, 84, 93, 102, 108, 112, 119, 124, 126, 136, 144, 153, 168, 186, 189, 204, 216, 217, 238, 248, 252, 272, 279, 306, 336, 357, 372, 378, 401, 408, 432, 434, 459, 476, 496, 504, 527, 558, 612, 651, 714, 744, 756, 802, 816, 837, 868, 918, 952, 1008, 1054, 1071, 1116, 1203, 1224, 1302, 1428, 1488, 1512, 1581, 1604, 1674, 1736, 1836, 1904, 1953, 2108, 2142, 2232, 2406, 2448, 2604, 2807, 2856, 3024, 3162, 3208, 3213, 3348, 3472, 3609, 3672, 3689, 3906, 4216, 4284, 4464, 4743, 4812, 5208, 5614, 5712, 5859, 6324, 6416, 6426, 6696, 6817, 7218, 7344, 7378, 7812, 8421, 8432, 8568, 9486, 9624, 10416, 10827, 11067, 11228, 11718, 12431, 12648, 12852, 13392, 13634, 14229, 14436, 14756, 15624, 16842, 17136, 18972, 19248, 20451, 21654, 22134, 22456, 23436, 24862, 25263, 25296, 25704, 27268, 28458, 28872, 29512, 31248, 33201, 33684, 37293, 37944, 40902, 43308, 44268, 44912, 46872, 47719, 49724, 50526, 51408, 54536, 56916, 57744, 59024, 61353, 66402, 67368, 74586, 75789, 75888, 81804, 86616, 87017, 88536, 93744, 95438, 99448, 99603, 101052, 109072, 111879, 113832, 122706, 132804, 134736, 143157, 149172, 151578, 163608, 173232, 174034, 177072, 184059, 190876, 198896, 199206, 202104, 211327, 223758, 227664, 245412, 261051, 265608, 286314, 298344, 303156, 327216, 335637, 348068, 368118, 381752, 398412, 404208, 422654, 429471, 447516, 490824, 522102, 531216, 572628, 596688, 606312, 633981, 671274, 696136, 736236, 763504, 783153, 796824, 845308, 858942, 895032, 981648, 1044204, 1145256, 1212624, 1267962, 1288413, 1342548, 1392272, 1472472, 1479289, 1566306, 1593648, 1690616, 1717884, 1790064, 1901943, 2088408, 2290512, 2349459, 2535924, 2576826, 2685096, 2944944, 2958578, 3132612, 3381232, 3435768, 3803886, 4176816, 4437867, 4698918, 5071848, 5153652, 5370192, 5705829, 5917156, 6265224, 6871536, 7607772, 8875734, 9397836, 10143696, 10307304, 11411658, 11834312, 12530448, 13313601, 15215544, 17751468, 18795672, 20614608, 22823316, 23668624, 26627202, 30431088, 35502936, 37591344, 39940803, 45646632, 53254404, 71005872, 79881606, 91293264, 106508808, 159763212, 213017616, 319526424, 639052848]

約数ペア:

[(1, 639052848), (2, 319526424), (3, 213017616), (4, 159763212), (6, 106508808), (7, 91293264), (8, 79881606), (9, 71005872), (12, 53254404), (14, 45646632), (16, 39940803), (17, 37591344), (18, 35502936), (21, 30431088), (24, 26627202), (27, 23668624), (28, 22823316), (31, 20614608), (34, 18795672), (36, 17751468), (42, 15215544), (48, 13313601), (51, 12530448), (54, 11834312), (56, 11411658), (62, 10307304), (63, 10143696), (68, 9397836), (72, 8875734), (84, 7607772), (93, 6871536), (102, 6265224), (108, 5917156), (112, 5705829), (119, 5370192), (124, 5153652), (126, 5071848), (136, 4698918), (144, 4437867), (153, 4176816), (168, 3803886), (186, 3435768), (189, 3381232), (204, 3132612), (216, 2958578), (217, 2944944), (238, 2685096), (248, 2576826), (252, 2535924), (272, 2349459), (279, 2290512), (306, 2088408), (336, 1901943), (357, 1790064), (372, 1717884), (378, 1690616), (401, 1593648), (408, 1566306), (432, 1479289), (434, 1472472), (459, 1392272), (476, 1342548), (496, 1288413), (504, 1267962), (527, 1212624), (558, 1145256), (612, 1044204), (651, 981648), (714, 895032), (744, 858942), (756, 845308), (802, 796824), (816, 783153), (837, 763504), (868, 736236), (918, 696136), (952, 671274), (1008, 633981), (1054, 606312), (1071, 596688), (1116, 572628), (1203, 531216), (1224, 522102), (1302, 490824), (1428, 447516), (1488, 429471), (1512, 422654), (1581, 404208), (1604, 398412), (1674, 381752), (1736, 368118), (1836, 348068), (1904, 335637), (1953, 327216), (2108, 303156), (2142, 298344), (2232, 286314), (2406, 265608), (2448, 261051), (2604, 245412), (2807, 227664), (2856, 223758), (3024, 211327), (3162, 202104), (3208, 199206), (3213, 198896), (3348, 190876), (3472, 184059), (3609, 177072), (3672, 174034), (3689, 173232), (3906, 163608), (4216, 151578), (4284, 149172), (4464, 143157), (4743, 134736), (4812, 132804), (5208, 122706), (5614, 113832), (5712, 111879), (5859, 109072), (6324, 101052), (6416, 99603), (6426, 99448), (6696, 95438), (6817, 93744), (7218, 88536), (7344, 87017), (7378, 86616), (7812, 81804), (8421, 75888), (8432, 75789), (8568, 74586), (9486, 67368), (9624, 66402), (10416, 61353), (10827, 59024), (11067, 57744), (11228, 56916), (11718, 54536), (12431, 51408), (12648, 50526), (12852, 49724), (13392, 47719), (13634, 46872), (14229, 44912), (14436, 44268), (14756, 43308), (15624, 40902), (16842, 37944), (17136, 37293), (18972, 33684), (19248, 33201), (20451, 31248), (21654, 29512), (22134, 28872), (22456, 28458), (23436, 27268), (24862, 25704), (25263, 25296)]