273646520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 725760000

約数和(自身を除く): 452113480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 89, 139, 140, 158, 178, 278, 280, 316, 356, 395, 445, 553, 556, 623, 632, 695, 712, 790, 890, 973, 1106, 1112, 1246, 1390, 1580, 1780, 1946, 2212, 2492, 2765, 2780, 3115, 3160, 3560, 3892, 4424, 4865, 4984, 5530, 5560, 6230, 7031, 7784, 9730, 10981, 11060, 12371, 12460, 14062, 19460, 21962, 22120, 24742, 24920, 28124, 35155, 38920, 43924, 49217, 49484, 54905, 56248, 61855, 70310, 76867, 86597, 87848, 98434, 98968, 109810, 123710, 140620, 153734, 173194, 196868, 219620, 246085, 247420, 281240, 307468, 346388, 384335, 393736, 432985, 439240, 492170, 494840, 614936, 692776, 768670, 865970, 977309, 984340, 1537340, 1731940, 1954618, 1968680, 3074680, 3463880, 3909236, 4886545, 6841163, 7818472, 9773090, 13682326, 19546180, 27364652, 34205815, 39092360, 54729304, 68411630, 136823260, 273646520]

約数ペア:

[(1, 273646520), (2, 136823260), (4, 68411630), (5, 54729304), (7, 39092360), (8, 34205815), (10, 27364652), (14, 19546180), (20, 13682326), (28, 9773090), (35, 7818472), (40, 6841163), (56, 4886545), (70, 3909236), (79, 3463880), (89, 3074680), (139, 1968680), (140, 1954618), (158, 1731940), (178, 1537340), (278, 984340), (280, 977309), (316, 865970), (356, 768670), (395, 692776), (445, 614936), (553, 494840), (556, 492170), (623, 439240), (632, 432985), (695, 393736), (712, 384335), (790, 346388), (890, 307468), (973, 281240), (1106, 247420), (1112, 246085), (1246, 219620), (1390, 196868), (1580, 173194), (1780, 153734), (1946, 140620), (2212, 123710), (2492, 109810), (2765, 98968), (2780, 98434), (3115, 87848), (3160, 86597), (3560, 76867), (3892, 70310), (4424, 61855), (4865, 56248), (4984, 54905), (5530, 49484), (5560, 49217), (6230, 43924), (7031, 38920), (7784, 35155), (9730, 28124), (10981, 24920), (11060, 24742), (12371, 22120), (12460, 21962), (14062, 19460)]