217474920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1560

約数の個数: 192

約数和(自身を含む): 786240000

約数和(自身を除く): 568765080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1499, 1560, 1612, 1860, 2015, 2232, 2340, 2418, 2790, 2998, 3224, 3627, 3720, 4030, 4497, 4680, 4836, 5580, 5996, 6045, 7254, 7495, 8060, 8994, 9672, 11160, 11992, 12090, 13491, 14508, 14990, 16120, 17988, 18135, 19487, 22485, 24180, 26982, 29016, 29980, 35976, 36270, 38974, 44970, 46469, 48360, 53964, 58461, 59960, 67455, 72540, 77948, 89940, 92938, 97435, 107928, 116922, 134910, 139407, 145080, 155896, 175383, 179880, 185876, 194870, 232345, 233844, 269820, 278814, 292305, 350766, 371752, 389740, 418221, 464690, 467688, 539640, 557628, 584610, 604097, 697035, 701532, 779480, 836442, 876915, 929380, 1115256, 1169220, 1208194, 1394070, 1403064, 1672884, 1753830, 1812291, 1858760, 2091105, 2338440, 2416388, 2788140, 3020485, 3345768, 3507660, 3624582, 4182210, 4832776, 5436873, 5576280, 6040970, 7015320, 7249164, 8364420, 9061455, 10873746, 12081940, 14498328, 16728840, 18122910, 21747492, 24163880, 27184365, 36245820, 43494984, 54368730, 72491640, 108737460, 217474920]

約数ペア:

[(1, 217474920), (2, 108737460), (3, 72491640), (4, 54368730), (5, 43494984), (6, 36245820), (8, 27184365), (9, 24163880), (10, 21747492), (12, 18122910), (13, 16728840), (15, 14498328), (18, 12081940), (20, 10873746), (24, 9061455), (26, 8364420), (30, 7249164), (31, 7015320), (36, 6040970), (39, 5576280), (40, 5436873), (45, 4832776), (52, 4182210), (60, 3624582), (62, 3507660), (65, 3345768), (72, 3020485), (78, 2788140), (90, 2416388), (93, 2338440), (104, 2091105), (117, 1858760), (120, 1812291), (124, 1753830), (130, 1672884), (155, 1403064), (156, 1394070), (180, 1208194), (186, 1169220), (195, 1115256), (234, 929380), (248, 876915), (260, 836442), (279, 779480), (310, 701532), (312, 697035), (360, 604097), (372, 584610), (390, 557628), (403, 539640), (465, 467688), (468, 464690), (520, 418221), (558, 389740), (585, 371752), (620, 350766), (744, 292305), (780, 278814), (806, 269820), (930, 233844), (936, 232345), (1116, 194870), (1170, 185876), (1209, 179880), (1240, 175383), (1395, 155896), (1499, 145080), (1560, 139407), (1612, 134910), (1860, 116922), (2015, 107928), (2232, 97435), (2340, 92938), (2418, 89940), (2790, 77948), (2998, 72540), (3224, 67455), (3627, 59960), (3720, 58461), (4030, 53964), (4497, 48360), (4680, 46469), (4836, 44970), (5580, 38974), (5996, 36270), (6045, 35976), (7254, 29980), (7495, 29016), (8060, 26982), (8994, 24180), (9672, 22485), (11160, 19487), (11992, 18135), (12090, 17988), (13491, 16120), (14508, 14990)]