31156960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 79863840

約数和(自身を除く): 48706880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 74, 76, 80, 95, 148, 152, 160, 185, 190, 277, 296, 304, 370, 380, 554, 592, 608, 703, 740, 760, 1108, 1184, 1385, 1406, 1480, 1520, 2216, 2770, 2812, 2960, 3040, 3515, 4432, 5263, 5540, 5624, 5920, 7030, 8864, 10249, 10526, 11080, 11248, 14060, 20498, 21052, 22160, 22496, 26315, 28120, 40996, 42104, 44320, 51245, 52630, 56240, 81992, 84208, 102490, 105260, 112480, 163984, 168416, 194731, 204980, 210520, 327968, 389462, 409960, 421040, 778924, 819920, 842080, 973655, 1557848, 1639840, 1947310, 3115696, 3894620, 6231392, 7789240, 15578480, 31156960]

約数ペア:

[(1, 31156960), (2, 15578480), (4, 7789240), (5, 6231392), (8, 3894620), (10, 3115696), (16, 1947310), (19, 1639840), (20, 1557848), (32, 973655), (37, 842080), (38, 819920), (40, 778924), (74, 421040), (76, 409960), (80, 389462), (95, 327968), (148, 210520), (152, 204980), (160, 194731), (185, 168416), (190, 163984), (277, 112480), (296, 105260), (304, 102490), (370, 84208), (380, 81992), (554, 56240), (592, 52630), (608, 51245), (703, 44320), (740, 42104), (760, 40996), (1108, 28120), (1184, 26315), (1385, 22496), (1406, 22160), (1480, 21052), (1520, 20498), (2216, 14060), (2770, 11248), (2812, 11080), (2960, 10526), (3040, 10249), (3515, 8864), (4432, 7030), (5263, 5920), (5540, 5624)]