155939940

素因数分解:

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

素因数の和:778

約数の個数: 144

約数和(自身を含む): 515144448

約数和(自身を除く): 359204508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 103, 117, 130, 156, 180, 195, 206, 234, 260, 309, 390, 412, 468, 515, 585, 618, 647, 780, 927, 1030, 1170, 1236, 1294, 1339, 1545, 1854, 1941, 2060, 2340, 2588, 2678, 3090, 3235, 3708, 3882, 4017, 4635, 5356, 5823, 6180, 6470, 6695, 7764, 8034, 8411, 9270, 9705, 11646, 12051, 12940, 13390, 16068, 16822, 18540, 19410, 20085, 23292, 24102, 25233, 26780, 29115, 33644, 38820, 40170, 42055, 48204, 50466, 58230, 60255, 66641, 75699, 80340, 84110, 100932, 116460, 120510, 126165, 133282, 151398, 168220, 199923, 241020, 252330, 266564, 302796, 333205, 378495, 399846, 504660, 599769, 666410, 756990, 799692, 866333, 999615, 1199538, 1332820, 1513980, 1732666, 1999230, 2399076, 2598999, 2998845, 3465332, 3998460, 4331665, 5197998, 5997690, 7796997, 8663330, 10395996, 11995380, 12994995, 15593994, 17326660, 25989990, 31187988, 38984985, 51979980, 77969970, 155939940]

約数ペア:

[(1, 155939940), (2, 77969970), (3, 51979980), (4, 38984985), (5, 31187988), (6, 25989990), (9, 17326660), (10, 15593994), (12, 12994995), (13, 11995380), (15, 10395996), (18, 8663330), (20, 7796997), (26, 5997690), (30, 5197998), (36, 4331665), (39, 3998460), (45, 3465332), (52, 2998845), (60, 2598999), (65, 2399076), (78, 1999230), (90, 1732666), (103, 1513980), (117, 1332820), (130, 1199538), (156, 999615), (180, 866333), (195, 799692), (206, 756990), (234, 666410), (260, 599769), (309, 504660), (390, 399846), (412, 378495), (468, 333205), (515, 302796), (585, 266564), (618, 252330), (647, 241020), (780, 199923), (927, 168220), (1030, 151398), (1170, 133282), (1236, 126165), (1294, 120510), (1339, 116460), (1545, 100932), (1854, 84110), (1941, 80340), (2060, 75699), (2340, 66641), (2588, 60255), (2678, 58230), (3090, 50466), (3235, 48204), (3708, 42055), (3882, 40170), (4017, 38820), (4635, 33644), (5356, 29115), (5823, 26780), (6180, 25233), (6470, 24102), (6695, 23292), (7764, 20085), (8034, 19410), (8411, 18540), (9270, 16822), (9705, 16068), (11646, 13390), (12051, 12940)]