28250520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{593}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 85108320

約数和(自身を除く): 56857800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 593, 794, 1186, 1191, 1588, 1779, 1985, 2372, 2382, 2965, 3176, 3558, 3970, 4744, 4764, 5930, 5955, 7116, 7940, 8895, 9528, 11860, 11910, 14232, 15880, 17790, 23720, 23820, 35580, 47640, 71160, 235421, 470842, 706263, 941684, 1177105, 1412526, 1883368, 2354210, 2825052, 3531315, 4708420, 5650104, 7062630, 9416840, 14125260, 28250520]

約数ペア:

[(1, 28250520), (2, 14125260), (3, 9416840), (4, 7062630), (5, 5650104), (6, 4708420), (8, 3531315), (10, 2825052), (12, 2354210), (15, 1883368), (20, 1412526), (24, 1177105), (30, 941684), (40, 706263), (60, 470842), (120, 235421), (397, 71160), (593, 47640), (794, 35580), (1186, 23820), (1191, 23720), (1588, 17790), (1779, 15880), (1985, 14232), (2372, 11910), (2382, 11860), (2965, 9528), (3176, 8895), (3558, 7940), (3970, 7116), (4744, 5955), (4764, 5930)]