12241280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 30257280

約数和(自身を除く): 18016000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 617, 620, 640, 992, 1234, 1240, 1984, 2468, 2480, 3085, 3968, 4936, 4960, 6170, 9872, 9920, 12340, 19127, 19744, 19840, 24680, 38254, 39488, 49360, 76508, 78976, 95635, 98720, 153016, 191270, 197440, 306032, 382540, 394880, 612064, 765080, 1224128, 1530160, 2448256, 3060320, 6120640, 12241280]

約数ペア:

[(1, 12241280), (2, 6120640), (4, 3060320), (5, 2448256), (8, 1530160), (10, 1224128), (16, 765080), (20, 612064), (31, 394880), (32, 382540), (40, 306032), (62, 197440), (64, 191270), (80, 153016), (124, 98720), (128, 95635), (155, 78976), (160, 76508), (248, 49360), (310, 39488), (320, 38254), (496, 24680), (617, 19840), (620, 19744), (640, 19127), (992, 12340), (1234, 9920), (1240, 9872), (1984, 6170), (2468, 4960), (2480, 4936), (3085, 3968)]