311879880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:780

約数の個数: 192

約数和(自身を含む): 1103880960

約数和(自身を除く): 792001080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 103, 104, 117, 120, 130, 156, 180, 195, 206, 234, 260, 309, 312, 360, 390, 412, 468, 515, 520, 585, 618, 647, 780, 824, 927, 936, 1030, 1170, 1236, 1294, 1339, 1545, 1560, 1854, 1941, 2060, 2340, 2472, 2588, 2678, 3090, 3235, 3708, 3882, 4017, 4120, 4635, 4680, 5176, 5356, 5823, 6180, 6470, 6695, 7416, 7764, 8034, 8411, 9270, 9705, 10712, 11646, 12051, 12360, 12940, 13390, 15528, 16068, 16822, 18540, 19410, 20085, 23292, 24102, 25233, 25880, 26780, 29115, 32136, 33644, 37080, 38820, 40170, 42055, 46584, 48204, 50466, 53560, 58230, 60255, 66641, 67288, 75699, 77640, 80340, 84110, 96408, 100932, 116460, 120510, 126165, 133282, 151398, 160680, 168220, 199923, 201864, 232920, 241020, 252330, 266564, 302796, 333205, 336440, 378495, 399846, 482040, 504660, 533128, 599769, 605592, 666410, 756990, 799692, 866333, 999615, 1009320, 1199538, 1332820, 1513980, 1599384, 1732666, 1999230, 2399076, 2598999, 2665640, 2998845, 3027960, 3465332, 3998460, 4331665, 4798152, 5197998, 5997690, 6930664, 7796997, 7996920, 8663330, 10395996, 11995380, 12994995, 15593994, 17326660, 20791992, 23990760, 25989990, 31187988, 34653320, 38984985, 51979980, 62375976, 77969970, 103959960, 155939940, 311879880]

約数ペア:

[(1, 311879880), (2, 155939940), (3, 103959960), (4, 77969970), (5, 62375976), (6, 51979980), (8, 38984985), (9, 34653320), (10, 31187988), (12, 25989990), (13, 23990760), (15, 20791992), (18, 17326660), (20, 15593994), (24, 12994995), (26, 11995380), (30, 10395996), (36, 8663330), (39, 7996920), (40, 7796997), (45, 6930664), (52, 5997690), (60, 5197998), (65, 4798152), (72, 4331665), (78, 3998460), (90, 3465332), (103, 3027960), (104, 2998845), (117, 2665640), (120, 2598999), (130, 2399076), (156, 1999230), (180, 1732666), (195, 1599384), (206, 1513980), (234, 1332820), (260, 1199538), (309, 1009320), (312, 999615), (360, 866333), (390, 799692), (412, 756990), (468, 666410), (515, 605592), (520, 599769), (585, 533128), (618, 504660), (647, 482040), (780, 399846), (824, 378495), (927, 336440), (936, 333205), (1030, 302796), (1170, 266564), (1236, 252330), (1294, 241020), (1339, 232920), (1545, 201864), (1560, 199923), (1854, 168220), (1941, 160680), (2060, 151398), (2340, 133282), (2472, 126165), (2588, 120510), (2678, 116460), (3090, 100932), (3235, 96408), (3708, 84110), (3882, 80340), (4017, 77640), (4120, 75699), (4635, 67288), (4680, 66641), (5176, 60255), (5356, 58230), (5823, 53560), (6180, 50466), (6470, 48204), (6695, 46584), (7416, 42055), (7764, 40170), (8034, 38820), (8411, 37080), (9270, 33644), (9705, 32136), (10712, 29115), (11646, 26780), (12051, 25880), (12360, 25233), (12940, 24102), (13390, 23292), (15528, 20085), (16068, 19410), (16822, 18540)]