51461970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 149022720

約数和(自身を除く): 97560750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 43, 70, 82, 86, 105, 123, 129, 139, 205, 210, 215, 246, 258, 278, 287, 301, 410, 417, 430, 574, 602, 615, 645, 695, 834, 861, 903, 973, 1230, 1290, 1390, 1435, 1505, 1722, 1763, 1806, 1946, 2085, 2870, 2919, 3010, 3526, 4170, 4305, 4515, 4865, 5289, 5699, 5838, 5977, 8610, 8815, 9030, 9730, 10578, 11398, 11954, 12341, 14595, 17097, 17630, 17931, 24682, 26445, 28495, 29190, 29885, 34194, 35862, 37023, 39893, 41839, 52890, 56990, 59770, 61705, 74046, 79786, 83678, 85485, 89655, 119679, 123410, 125517, 170970, 179310, 185115, 199465, 209195, 239358, 245057, 251034, 370230, 398930, 418390, 490114, 598395, 627585, 735171, 1196790, 1225285, 1255170, 1470342, 1715399, 2450570, 3430798, 3675855, 5146197, 7351710, 8576995, 10292394, 17153990, 25730985, 51461970]

約数ペア:

[(1, 51461970), (2, 25730985), (3, 17153990), (5, 10292394), (6, 8576995), (7, 7351710), (10, 5146197), (14, 3675855), (15, 3430798), (21, 2450570), (30, 1715399), (35, 1470342), (41, 1255170), (42, 1225285), (43, 1196790), (70, 735171), (82, 627585), (86, 598395), (105, 490114), (123, 418390), (129, 398930), (139, 370230), (205, 251034), (210, 245057), (215, 239358), (246, 209195), (258, 199465), (278, 185115), (287, 179310), (301, 170970), (410, 125517), (417, 123410), (430, 119679), (574, 89655), (602, 85485), (615, 83678), (645, 79786), (695, 74046), (834, 61705), (861, 59770), (903, 56990), (973, 52890), (1230, 41839), (1290, 39893), (1390, 37023), (1435, 35862), (1505, 34194), (1722, 29885), (1763, 29190), (1806, 28495), (1946, 26445), (2085, 24682), (2870, 17931), (2919, 17630), (3010, 17097), (3526, 14595), (4170, 12341), (4305, 11954), (4515, 11398), (4865, 10578), (5289, 9730), (5699, 9030), (5838, 8815), (5977, 8610)]