1285763940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{310571}}^1$

素因数の和:310609

約数の個数: 72

約数和(自身を含む): 4069735488

約数和(自身を除く): 2783971548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 310571, 621142, 931713, 1242284, 1552855, 1863426, 2795139, 3105710, 3726852, 4658565, 5590278, 6211420, 7143133, 9317130, 11180556, 13975695, 14286266, 18634260, 21429399, 27951390, 28572532, 35715665, 42858798, 55902780, 64288197, 71431330, 85717596, 107146995, 128576394, 142862660, 214293990, 257152788, 321440985, 428587980, 642881970, 1285763940]

約数ペア:

[(1, 1285763940), (2, 642881970), (3, 428587980), (4, 321440985), (5, 257152788), (6, 214293990), (9, 142862660), (10, 128576394), (12, 107146995), (15, 85717596), (18, 71431330), (20, 64288197), (23, 55902780), (30, 42858798), (36, 35715665), (45, 28572532), (46, 27951390), (60, 21429399), (69, 18634260), (90, 14286266), (92, 13975695), (115, 11180556), (138, 9317130), (180, 7143133), (207, 6211420), (230, 5590278), (276, 4658565), (345, 3726852), (414, 3105710), (460, 2795139), (690, 1863426), (828, 1552855), (1035, 1242284), (1380, 931713), (2070, 621142), (4140, 310571)]