256777560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18289}}^1$

素因数の和:18322

約数の個数: 128

約数和(自身を含む): 921816000

約数和(自身を除く): 665038440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 18289, 36578, 54867, 73156, 91445, 109734, 146312, 164601, 182890, 219468, 237757, 274335, 329202, 365780, 438936, 475514, 493803, 548670, 658404, 713271, 731560, 823005, 951028, 987606, 1097340, 1188785, 1316808, 1426542, 1646010, 1902056, 1975212, 2139813, 2194680, 2377570, 2469015, 2853084, 3292020, 3566355, 3950424, 4279626, 4755140, 4938030, 5706168, 6419439, 6584040, 7132710, 8559252, 9510280, 9876060, 10699065, 12838878, 14265420, 17118504, 19752120, 21398130, 25677756, 28530840, 32097195, 42796260, 51355512, 64194390, 85592520, 128388780, 256777560]

約数ペア:

[(1, 256777560), (2, 128388780), (3, 85592520), (4, 64194390), (5, 51355512), (6, 42796260), (8, 32097195), (9, 28530840), (10, 25677756), (12, 21398130), (13, 19752120), (15, 17118504), (18, 14265420), (20, 12838878), (24, 10699065), (26, 9876060), (27, 9510280), (30, 8559252), (36, 7132710), (39, 6584040), (40, 6419439), (45, 5706168), (52, 4938030), (54, 4755140), (60, 4279626), (65, 3950424), (72, 3566355), (78, 3292020), (90, 2853084), (104, 2469015), (108, 2377570), (117, 2194680), (120, 2139813), (130, 1975212), (135, 1902056), (156, 1646010), (180, 1426542), (195, 1316808), (216, 1188785), (234, 1097340), (260, 987606), (270, 951028), (312, 823005), (351, 731560), (360, 713271), (390, 658404), (468, 548670), (520, 493803), (540, 475514), (585, 438936), (702, 365780), (780, 329202), (936, 274335), (1080, 237757), (1170, 219468), (1404, 182890), (1560, 164601), (1755, 146312), (2340, 109734), (2808, 91445), (3510, 73156), (4680, 54867), (7020, 36578), (14040, 18289)]