256390290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{523}}^1$

素因数の和:968

約数の個数: 96

約数和(自身を含む): 720982080

約数和(自身を除く): 464591790

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 419, 523, 585, 838, 1046, 1170, 1257, 1569, 2095, 2514, 2615, 3138, 3771, 4190, 4707, 5230, 5447, 6285, 6799, 7542, 7845, 9414, 10894, 12570, 13598, 15690, 16341, 18855, 20397, 23535, 27235, 32682, 33995, 37710, 40794, 47070, 49023, 54470, 61191, 67990, 81705, 98046, 101985, 122382, 163410, 203970, 219137, 245115, 305955, 438274, 490230, 611910, 657411, 1095685, 1314822, 1972233, 2191370, 2848781, 3287055, 3944466, 5697562, 6574110, 8546343, 9861165, 14243905, 17092686, 19722330, 25639029, 28487810, 42731715, 51278058, 85463430, 128195145, 256390290]

約数ペア:

[(1, 256390290), (2, 128195145), (3, 85463430), (5, 51278058), (6, 42731715), (9, 28487810), (10, 25639029), (13, 19722330), (15, 17092686), (18, 14243905), (26, 9861165), (30, 8546343), (39, 6574110), (45, 5697562), (65, 3944466), (78, 3287055), (90, 2848781), (117, 2191370), (130, 1972233), (195, 1314822), (234, 1095685), (390, 657411), (419, 611910), (523, 490230), (585, 438274), (838, 305955), (1046, 245115), (1170, 219137), (1257, 203970), (1569, 163410), (2095, 122382), (2514, 101985), (2615, 98046), (3138, 81705), (3771, 67990), (4190, 61191), (4707, 54470), (5230, 49023), (5447, 47070), (6285, 40794), (6799, 37710), (7542, 33995), (7845, 32682), (9414, 27235), (10894, 23535), (12570, 20397), (13598, 18855), (15690, 16341)]