256597380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2069}}^1$

素因数の和:2150

約数の個数: 144

約数和(自身を含む): 854446320

約数和(自身を除く): 597848940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 234, 260, 265, 318, 390, 468, 477, 530, 585, 636, 689, 780, 795, 954, 1060, 1170, 1378, 1590, 1908, 2067, 2069, 2340, 2385, 2756, 3180, 3445, 4134, 4138, 4770, 6201, 6207, 6890, 8268, 8276, 9540, 10335, 10345, 12402, 12414, 13780, 18621, 20670, 20690, 24804, 24828, 26897, 31005, 31035, 37242, 41340, 41380, 53794, 62010, 62070, 74484, 80691, 93105, 107588, 109657, 124020, 124140, 134485, 161382, 186210, 219314, 242073, 268970, 322764, 328971, 372420, 403455, 438628, 484146, 537940, 548285, 657942, 806910, 968292, 986913, 1096570, 1210365, 1315884, 1425541, 1613820, 1644855, 1973826, 2193140, 2420730, 2851082, 3289710, 3947652, 4276623, 4841460, 4934565, 5702164, 6579420, 7127705, 8553246, 9869130, 12829869, 14255410, 17106492, 19738260, 21383115, 25659738, 28510820, 42766230, 51319476, 64149345, 85532460, 128298690, 256597380]

約数ペア:

[(1, 256597380), (2, 128298690), (3, 85532460), (4, 64149345), (5, 51319476), (6, 42766230), (9, 28510820), (10, 25659738), (12, 21383115), (13, 19738260), (15, 17106492), (18, 14255410), (20, 12829869), (26, 9869130), (30, 8553246), (36, 7127705), (39, 6579420), (45, 5702164), (52, 4934565), (53, 4841460), (60, 4276623), (65, 3947652), (78, 3289710), (90, 2851082), (106, 2420730), (117, 2193140), (130, 1973826), (156, 1644855), (159, 1613820), (180, 1425541), (195, 1315884), (212, 1210365), (234, 1096570), (260, 986913), (265, 968292), (318, 806910), (390, 657942), (468, 548285), (477, 537940), (530, 484146), (585, 438628), (636, 403455), (689, 372420), (780, 328971), (795, 322764), (954, 268970), (1060, 242073), (1170, 219314), (1378, 186210), (1590, 161382), (1908, 134485), (2067, 124140), (2069, 124020), (2340, 109657), (2385, 107588), (2756, 93105), (3180, 80691), (3445, 74484), (4134, 62070), (4138, 62010), (4770, 53794), (6201, 41380), (6207, 41340), (6890, 37242), (8268, 31035), (8276, 31005), (9540, 26897), (10335, 24828), (10345, 24804), (12402, 20690), (12414, 20670), (13780, 18621)]