490675440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65951}}^1$

素因数の和:65998

約数の個数: 80

約数和(自身を含む): 1570185216

約数和(自身を除く): 1079509776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 65951, 131902, 197853, 263804, 329755, 395706, 527608, 659510, 791412, 989265, 1055216, 1319020, 1582824, 1978530, 2044481, 2638040, 3165648, 3957060, 4088962, 5276080, 6133443, 7914120, 8177924, 10222405, 12266886, 15828240, 16355848, 20444810, 24533772, 30667215, 32711696, 40889620, 49067544, 61334430, 81779240, 98135088, 122668860, 163558480, 245337720, 490675440]

約数ペア:

[(1, 490675440), (2, 245337720), (3, 163558480), (4, 122668860), (5, 98135088), (6, 81779240), (8, 61334430), (10, 49067544), (12, 40889620), (15, 32711696), (16, 30667215), (20, 24533772), (24, 20444810), (30, 16355848), (31, 15828240), (40, 12266886), (48, 10222405), (60, 8177924), (62, 7914120), (80, 6133443), (93, 5276080), (120, 4088962), (124, 3957060), (155, 3165648), (186, 2638040), (240, 2044481), (248, 1978530), (310, 1582824), (372, 1319020), (465, 1055216), (496, 989265), (620, 791412), (744, 659510), (930, 527608), (1240, 395706), (1488, 329755), (1860, 263804), (2480, 197853), (3720, 131902), (7440, 65951)]