72897960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{991}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 219271680

約数和(自身を除く): 146373720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 613, 991, 1226, 1839, 1982, 2452, 2973, 3065, 3678, 3964, 4904, 4955, 5946, 6130, 7356, 7928, 9195, 9910, 11892, 12260, 14712, 14865, 18390, 19820, 23784, 24520, 29730, 36780, 39640, 59460, 73560, 118920, 607483, 1214966, 1822449, 2429932, 3037415, 3644898, 4859864, 6074830, 7289796, 9112245, 12149660, 14579592, 18224490, 24299320, 36448980, 72897960]

約数ペア:

[(1, 72897960), (2, 36448980), (3, 24299320), (4, 18224490), (5, 14579592), (6, 12149660), (8, 9112245), (10, 7289796), (12, 6074830), (15, 4859864), (20, 3644898), (24, 3037415), (30, 2429932), (40, 1822449), (60, 1214966), (120, 607483), (613, 118920), (991, 73560), (1226, 59460), (1839, 39640), (1982, 36780), (2452, 29730), (2973, 24520), (3065, 23784), (3678, 19820), (3964, 18390), (4904, 14865), (4955, 14712), (5946, 12260), (6130, 11892), (7356, 9910), (7928, 9195)]