490913520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65983}}^1$

素因数の和:66030

約数の個数: 80

約数和(自身を含む): 1570947072

約数和(自身を除く): 1080033552

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, 65983, 131966, 197949, 263932, 329915, 395898, 527864, 659830, 791796, 989745, 1055728, 1319660, 1583592, 1979490, 2045473, 2639320, 3167184, 3958980, 4090946, 5278640, 6136419, 7917960, 8181892, 10227365, 12272838, 15835920, 16363784, 20454730, 24545676, 30682095, 32727568, 40909460, 49091352, 61364190, 81818920, 98182704, 122728380, 163637840, 245456760, 490913520]

約数ペア:

[(1, 490913520), (2, 245456760), (3, 163637840), (4, 122728380), (5, 98182704), (6, 81818920), (8, 61364190), (10, 49091352), (12, 40909460), (15, 32727568), (16, 30682095), (20, 24545676), (24, 20454730), (30, 16363784), (31, 15835920), (40, 12272838), (48, 10227365), (60, 8181892), (62, 7917960), (80, 6136419), (93, 5278640), (120, 4090946), (124, 3958980), (155, 3167184), (186, 2639320), (240, 2045473), (248, 1979490), (310, 1583592), (372, 1319660), (465, 1055728), (496, 989745), (620, 791796), (744, 659830), (930, 527864), (1240, 395898), (1488, 329915), (1860, 263932), (2480, 197949), (3720, 131966), (7440, 65983)]