264422480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 160

約数和(自身を含む): 733286400

約数和(自身を除く): 468863920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 79, 80, 86, 112, 139, 140, 158, 172, 215, 278, 280, 301, 316, 344, 395, 430, 553, 556, 560, 602, 632, 688, 695, 790, 860, 973, 1106, 1112, 1204, 1264, 1390, 1505, 1580, 1720, 1946, 2212, 2224, 2408, 2765, 2780, 3010, 3160, 3397, 3440, 3892, 4424, 4816, 4865, 5530, 5560, 5977, 6020, 6320, 6794, 7784, 8848, 9730, 10981, 11060, 11120, 11954, 12040, 13588, 15568, 16985, 19460, 21962, 22120, 23779, 23908, 24080, 27176, 29885, 33970, 38920, 41839, 43924, 44240, 47558, 47816, 54352, 54905, 59770, 67940, 76867, 77840, 83678, 87848, 95116, 95632, 109810, 118895, 119540, 135880, 153734, 167356, 175696, 190232, 209195, 219620, 237790, 239080, 271760, 307468, 334712, 380464, 384335, 418390, 439240, 472183, 475580, 478160, 614936, 669424, 768670, 836780, 878480, 944366, 951160, 1229872, 1537340, 1673560, 1888732, 1902320, 2360915, 3074680, 3305281, 3347120, 3777464, 4721830, 6149360, 6610562, 7554928, 9443660, 13221124, 16526405, 18887320, 26442248, 33052810, 37774640, 52884496, 66105620, 132211240, 264422480]

約数ペア:

[(1, 264422480), (2, 132211240), (4, 66105620), (5, 52884496), (7, 37774640), (8, 33052810), (10, 26442248), (14, 18887320), (16, 16526405), (20, 13221124), (28, 9443660), (35, 7554928), (40, 6610562), (43, 6149360), (56, 4721830), (70, 3777464), (79, 3347120), (80, 3305281), (86, 3074680), (112, 2360915), (139, 1902320), (140, 1888732), (158, 1673560), (172, 1537340), (215, 1229872), (278, 951160), (280, 944366), (301, 878480), (316, 836780), (344, 768670), (395, 669424), (430, 614936), (553, 478160), (556, 475580), (560, 472183), (602, 439240), (632, 418390), (688, 384335), (695, 380464), (790, 334712), (860, 307468), (973, 271760), (1106, 239080), (1112, 237790), (1204, 219620), (1264, 209195), (1390, 190232), (1505, 175696), (1580, 167356), (1720, 153734), (1946, 135880), (2212, 119540), (2224, 118895), (2408, 109810), (2765, 95632), (2780, 95116), (3010, 87848), (3160, 83678), (3397, 77840), (3440, 76867), (3892, 67940), (4424, 59770), (4816, 54905), (4865, 54352), (5530, 47816), (5560, 47558), (5977, 44240), (6020, 43924), (6320, 41839), (6794, 38920), (7784, 33970), (8848, 29885), (9730, 27176), (10981, 24080), (11060, 23908), (11120, 23779), (11954, 22120), (12040, 21962), (13588, 19460), (15568, 16985)]