12890280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8263}}^1$

素因数の和:8290

約数の個数: 64

約数和(自身を含む): 41650560

約数和(自身を除く): 28760280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 8263, 16526, 24789, 33052, 41315, 49578, 66104, 82630, 99156, 107419, 123945, 165260, 198312, 214838, 247890, 322257, 330520, 429676, 495780, 537095, 644514, 859352, 991560, 1074190, 1289028, 1611285, 2148380, 2578056, 3222570, 4296760, 6445140, 12890280]

約数ペア:

[(1, 12890280), (2, 6445140), (3, 4296760), (4, 3222570), (5, 2578056), (6, 2148380), (8, 1611285), (10, 1289028), (12, 1074190), (13, 991560), (15, 859352), (20, 644514), (24, 537095), (26, 495780), (30, 429676), (39, 330520), (40, 322257), (52, 247890), (60, 214838), (65, 198312), (78, 165260), (104, 123945), (120, 107419), (130, 99156), (156, 82630), (195, 66104), (260, 49578), (312, 41315), (390, 33052), (520, 24789), (780, 16526), (1560, 8263)]