256559520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2633}}^1$

素因数の和:2687

約数の個数: 192

約数和(自身を含む): 955825920

約数和(自身を除く): 699266400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 96, 105, 112, 116, 120, 140, 145, 160, 168, 174, 203, 210, 224, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 480, 560, 580, 609, 672, 696, 812, 840, 870, 928, 1015, 1120, 1160, 1218, 1392, 1624, 1680, 1740, 2030, 2320, 2436, 2633, 2784, 3045, 3248, 3360, 3480, 4060, 4640, 4872, 5266, 6090, 6496, 6960, 7899, 8120, 9744, 10532, 12180, 13165, 13920, 15798, 16240, 18431, 19488, 21064, 24360, 26330, 31596, 32480, 36862, 39495, 42128, 48720, 52660, 55293, 63192, 73724, 76357, 78990, 84256, 92155, 97440, 105320, 110586, 126384, 147448, 152714, 157980, 184310, 210640, 221172, 229071, 252768, 276465, 294896, 305428, 315960, 368620, 381785, 421280, 442344, 458142, 534499, 552930, 589792, 610856, 631920, 737240, 763570, 884688, 916284, 1068998, 1105860, 1145355, 1221712, 1263840, 1474480, 1527140, 1603497, 1769376, 1832568, 2137996, 2211720, 2290710, 2443424, 2672495, 2948960, 3054280, 3206994, 3665136, 4275992, 4423440, 4581420, 5344990, 6108560, 6413988, 7330272, 8017485, 8551984, 8846880, 9162840, 10689980, 12217120, 12827976, 16034970, 17103968, 18325680, 21379960, 25655952, 32069940, 36651360, 42759920, 51311904, 64139880, 85519840, 128279760, 256559520]

約数ペア:

[(1, 256559520), (2, 128279760), (3, 85519840), (4, 64139880), (5, 51311904), (6, 42759920), (7, 36651360), (8, 32069940), (10, 25655952), (12, 21379960), (14, 18325680), (15, 17103968), (16, 16034970), (20, 12827976), (21, 12217120), (24, 10689980), (28, 9162840), (29, 8846880), (30, 8551984), (32, 8017485), (35, 7330272), (40, 6413988), (42, 6108560), (48, 5344990), (56, 4581420), (58, 4423440), (60, 4275992), (70, 3665136), (80, 3206994), (84, 3054280), (87, 2948960), (96, 2672495), (105, 2443424), (112, 2290710), (116, 2211720), (120, 2137996), (140, 1832568), (145, 1769376), (160, 1603497), (168, 1527140), (174, 1474480), (203, 1263840), (210, 1221712), (224, 1145355), (232, 1105860), (240, 1068998), (280, 916284), (290, 884688), (336, 763570), (348, 737240), (406, 631920), (420, 610856), (435, 589792), (464, 552930), (480, 534499), (560, 458142), (580, 442344), (609, 421280), (672, 381785), (696, 368620), (812, 315960), (840, 305428), (870, 294896), (928, 276465), (1015, 252768), (1120, 229071), (1160, 221172), (1218, 210640), (1392, 184310), (1624, 157980), (1680, 152714), (1740, 147448), (2030, 126384), (2320, 110586), (2436, 105320), (2633, 97440), (2784, 92155), (3045, 84256), (3248, 78990), (3360, 76357), (3480, 73724), (4060, 63192), (4640, 55293), (4872, 52660), (5266, 48720), (6090, 42128), (6496, 39495), (6960, 36862), (7899, 32480), (8120, 31596), (9744, 26330), (10532, 24360), (12180, 21064), (13165, 19488), (13920, 18431), (15798, 16240)]