256607888940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109661491}}^1$

素因数の和:109661519

約数の個数: 72

約数和(自身を含む): 838252444848

約数和(自身を除く): 581644555908

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, 109661491, 219322982, 328984473, 438645964, 548307455, 657968946, 986953419, 1096614910, 1315937892, 1425599383, 1644922365, 1973906838, 2193229820, 2851198766, 3289844730, 3947813676, 4276798149, 4934767095, 5702397532, 6579689460, 7127996915, 8553596298, 9869534190, 12830394447, 14255993830, 17107192596, 19739068380, 21383990745, 25660788894, 28511987660, 42767981490, 51321577788, 64151972235, 85535962980, 128303944470, 256607888940]

約数ペア:

[(1, 256607888940), (2, 128303944470), (3, 85535962980), (4, 64151972235), (5, 51321577788), (6, 42767981490), (9, 28511987660), (10, 25660788894), (12, 21383990745), (13, 19739068380), (15, 17107192596), (18, 14255993830), (20, 12830394447), (26, 9869534190), (30, 8553596298), (36, 7127996915), (39, 6579689460), (45, 5702397532), (52, 4934767095), (60, 4276798149), (65, 3947813676), (78, 3289844730), (90, 2851198766), (117, 2193229820), (130, 1973906838), (156, 1644922365), (180, 1425599383), (195, 1315937892), (234, 1096614910), (260, 986953419), (390, 657968946), (468, 548307455), (585, 438645964), (780, 328984473), (1170, 219322982), (2340, 109661491)]