123530520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2593}}^1$

素因数の和:3004

約数の個数: 64

約数和(自身を含む): 371668320

約数和(自身を除く): 248137800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1985, 2382, 2593, 3176, 3970, 4764, 5186, 5955, 7779, 7940, 9528, 10372, 11910, 12965, 15558, 15880, 20744, 23820, 25930, 31116, 38895, 47640, 51860, 62232, 77790, 103720, 155580, 311160, 1029421, 2058842, 3088263, 4117684, 5147105, 6176526, 8235368, 10294210, 12353052, 15441315, 20588420, 24706104, 30882630, 41176840, 61765260, 123530520]

約数ペア:

[(1, 123530520), (2, 61765260), (3, 41176840), (4, 30882630), (5, 24706104), (6, 20588420), (8, 15441315), (10, 12353052), (12, 10294210), (15, 8235368), (20, 6176526), (24, 5147105), (30, 4117684), (40, 3088263), (60, 2058842), (120, 1029421), (397, 311160), (794, 155580), (1191, 103720), (1588, 77790), (1985, 62232), (2382, 51860), (2593, 47640), (3176, 38895), (3970, 31116), (4764, 25930), (5186, 23820), (5955, 20744), (7779, 15880), (7940, 15558), (9528, 12965), (10372, 11910)]