2740549960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{8803}}^1$

素因数の和:9038

約数の個数: 64

約数和(自身を含む): 6345218880

約数和(自身を除く): 3604668920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 181, 215, 344, 362, 430, 724, 860, 905, 1448, 1720, 1810, 3620, 7240, 7783, 8803, 15566, 17606, 31132, 35212, 38915, 44015, 62264, 70424, 77830, 88030, 155660, 176060, 311320, 352120, 378529, 757058, 1514116, 1593343, 1892645, 3028232, 3186686, 3785290, 6373372, 7570580, 7966715, 12746744, 15141160, 15933430, 31866860, 63733720, 68513749, 137027498, 274054996, 342568745, 548109992, 685137490, 1370274980, 2740549960]

約数ペア:

[(1, 2740549960), (2, 1370274980), (4, 685137490), (5, 548109992), (8, 342568745), (10, 274054996), (20, 137027498), (40, 68513749), (43, 63733720), (86, 31866860), (172, 15933430), (181, 15141160), (215, 12746744), (344, 7966715), (362, 7570580), (430, 6373372), (724, 3785290), (860, 3186686), (905, 3028232), (1448, 1892645), (1720, 1593343), (1810, 1514116), (3620, 757058), (7240, 378529), (7783, 352120), (8803, 311320), (15566, 176060), (17606, 155660), (31132, 88030), (35212, 77830), (38915, 70424), (44015, 62264)]