61240340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 152990208

約数和(自身を除く): 91749868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 71, 101, 122, 140, 142, 202, 244, 284, 305, 355, 404, 427, 497, 505, 610, 707, 710, 854, 994, 1010, 1220, 1414, 1420, 1708, 1988, 2020, 2135, 2485, 2828, 3535, 4270, 4331, 4970, 6161, 7070, 7171, 8540, 8662, 9940, 12322, 14140, 14342, 17324, 21655, 24644, 28684, 30317, 30805, 35855, 43127, 43310, 50197, 60634, 61610, 71710, 86254, 86620, 100394, 121268, 123220, 143420, 151585, 172508, 200788, 215635, 250985, 303170, 431270, 437431, 501970, 606340, 862540, 874862, 1003940, 1749724, 2187155, 3062017, 4374310, 6124034, 8748620, 12248068, 15310085, 30620170, 61240340]

約数ペア:

[(1, 61240340), (2, 30620170), (4, 15310085), (5, 12248068), (7, 8748620), (10, 6124034), (14, 4374310), (20, 3062017), (28, 2187155), (35, 1749724), (61, 1003940), (70, 874862), (71, 862540), (101, 606340), (122, 501970), (140, 437431), (142, 431270), (202, 303170), (244, 250985), (284, 215635), (305, 200788), (355, 172508), (404, 151585), (427, 143420), (497, 123220), (505, 121268), (610, 100394), (707, 86620), (710, 86254), (854, 71710), (994, 61610), (1010, 60634), (1220, 50197), (1414, 43310), (1420, 43127), (1708, 35855), (1988, 30805), (2020, 30317), (2135, 28684), (2485, 24644), (2828, 21655), (3535, 17324), (4270, 14342), (4331, 14140), (4970, 12322), (6161, 9940), (7070, 8662), (7171, 8540)]