3811280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 9963648

約数和(自身を除く): 6152368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 71, 80, 88, 110, 122, 142, 176, 220, 244, 284, 305, 355, 440, 488, 568, 610, 671, 710, 781, 880, 976, 1136, 1220, 1342, 1420, 1562, 2440, 2684, 2840, 3124, 3355, 3905, 4331, 4880, 5368, 5680, 6248, 6710, 7810, 8662, 10736, 12496, 13420, 15620, 17324, 21655, 26840, 31240, 34648, 43310, 47641, 53680, 62480, 69296, 86620, 95282, 173240, 190564, 238205, 346480, 381128, 476410, 762256, 952820, 1905640, 3811280]

約数ペア:

[(1, 3811280), (2, 1905640), (4, 952820), (5, 762256), (8, 476410), (10, 381128), (11, 346480), (16, 238205), (20, 190564), (22, 173240), (40, 95282), (44, 86620), (55, 69296), (61, 62480), (71, 53680), (80, 47641), (88, 43310), (110, 34648), (122, 31240), (142, 26840), (176, 21655), (220, 17324), (244, 15620), (284, 13420), (305, 12496), (355, 10736), (440, 8662), (488, 7810), (568, 6710), (610, 6248), (671, 5680), (710, 5368), (781, 4880), (880, 4331), (976, 3905), (1136, 3355), (1220, 3124), (1342, 2840), (1420, 2684), (1562, 2440)]