131442817280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3312571}}^1$

素因数の和:3312623

約数の個数: 72

約数和(自身を含む): 325003064064

約数和(自身を除く): 193560246784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 3312571, 6625142, 13250284, 16562855, 26500568, 33125710, 53001136, 66251420, 102689701, 106002272, 132502840, 205379402, 212004544, 265005680, 410758804, 424009088, 513448505, 530011360, 821517608, 848018176, 1026897010, 1060022720, 1643035216, 2053794020, 2120045440, 3286070432, 4107588040, 4240090880, 6572140864, 8215176080, 13144281728, 16430352160, 26288563456, 32860704320, 65721408640, 131442817280]

約数ペア:

[(1, 131442817280), (2, 65721408640), (4, 32860704320), (5, 26288563456), (8, 16430352160), (10, 13144281728), (16, 8215176080), (20, 6572140864), (31, 4240090880), (32, 4107588040), (40, 3286070432), (62, 2120045440), (64, 2053794020), (80, 1643035216), (124, 1060022720), (128, 1026897010), (155, 848018176), (160, 821517608), (248, 530011360), (256, 513448505), (310, 424009088), (320, 410758804), (496, 265005680), (620, 212004544), (640, 205379402), (992, 132502840), (1240, 106002272), (1280, 102689701), (1984, 66251420), (2480, 53001136), (3968, 33125710), (4960, 26500568), (7936, 16562855), (9920, 13250284), (19840, 6625142), (39680, 3312571)]