257041980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109847}}^1$

素因数の和:109875

約数の個数: 72

約数和(自身を含む): 839678112

約数和(自身を除く): 582636132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 109847, 219694, 329541, 439388, 549235, 659082, 988623, 1098470, 1318164, 1428011, 1647705, 1977246, 2196940, 2856022, 3295410, 3954492, 4284033, 4943115, 5712044, 6590820, 7140055, 8568066, 9886230, 12852099, 14280110, 17136132, 19772460, 21420165, 25704198, 28560220, 42840330, 51408396, 64260495, 85680660, 128520990, 257041980]

約数ペア:

[(1, 257041980), (2, 128520990), (3, 85680660), (4, 64260495), (5, 51408396), (6, 42840330), (9, 28560220), (10, 25704198), (12, 21420165), (13, 19772460), (15, 17136132), (18, 14280110), (20, 12852099), (26, 9886230), (30, 8568066), (36, 7140055), (39, 6590820), (45, 5712044), (52, 4943115), (60, 4284033), (65, 3954492), (78, 3295410), (90, 2856022), (117, 2196940), (130, 1977246), (156, 1647705), (180, 1428011), (195, 1318164), (234, 1098470), (260, 988623), (390, 659082), (468, 549235), (585, 439388), (780, 329541), (1170, 219694), (2340, 109847)]