51451920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 240

約数和(自身を含む): 194987520

約数和(自身を除く): 143535600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 207, 208, 230, 234, 239, 240, 260, 276, 299, 312, 345, 360, 368, 390, 414, 460, 468, 478, 520, 552, 585, 598, 624, 690, 717, 720, 780, 828, 897, 920, 936, 956, 1035, 1040, 1104, 1170, 1195, 1196, 1380, 1434, 1495, 1560, 1656, 1794, 1840, 1872, 1912, 2070, 2151, 2340, 2390, 2392, 2691, 2760, 2868, 2990, 3107, 3120, 3312, 3585, 3588, 3824, 4140, 4302, 4485, 4680, 4780, 4784, 5382, 5497, 5520, 5736, 5980, 6214, 7170, 7176, 8280, 8604, 8970, 9321, 9360, 9560, 10755, 10764, 10994, 11472, 11960, 12428, 13455, 14340, 14352, 15535, 16491, 16560, 17208, 17940, 18642, 19120, 21510, 21528, 21988, 23920, 24856, 26910, 27485, 27963, 28680, 31070, 32982, 34416, 35880, 37284, 43020, 43056, 43976, 46605, 49473, 49712, 53820, 54970, 55926, 57360, 62140, 65964, 71461, 71760, 74568, 82455, 86040, 87952, 93210, 98946, 107640, 109940, 111852, 124280, 131928, 139815, 142922, 149136, 164910, 172080, 186420, 197892, 214383, 215280, 219880, 223704, 247365, 248560, 263856, 279630, 285844, 329820, 357305, 372840, 395784, 428766, 439760, 447408, 494730, 559260, 571688, 643149, 659640, 714610, 745680, 791568, 857532, 989460, 1071915, 1118520, 1143376, 1286298, 1319280, 1429220, 1715064, 1978920, 2143830, 2237040, 2572596, 2858440, 3215745, 3430128, 3957840, 4287660, 5145192, 5716880, 6431490, 8575320, 10290384, 12862980, 17150640, 25725960, 51451920]

約数ペア:

[(1, 51451920), (2, 25725960), (3, 17150640), (4, 12862980), (5, 10290384), (6, 8575320), (8, 6431490), (9, 5716880), (10, 5145192), (12, 4287660), (13, 3957840), (15, 3430128), (16, 3215745), (18, 2858440), (20, 2572596), (23, 2237040), (24, 2143830), (26, 1978920), (30, 1715064), (36, 1429220), (39, 1319280), (40, 1286298), (45, 1143376), (46, 1118520), (48, 1071915), (52, 989460), (60, 857532), (65, 791568), (69, 745680), (72, 714610), (78, 659640), (80, 643149), (90, 571688), (92, 559260), (104, 494730), (115, 447408), (117, 439760), (120, 428766), (130, 395784), (138, 372840), (144, 357305), (156, 329820), (180, 285844), (184, 279630), (195, 263856), (207, 248560), (208, 247365), (230, 223704), (234, 219880), (239, 215280), (240, 214383), (260, 197892), (276, 186420), (299, 172080), (312, 164910), (345, 149136), (360, 142922), (368, 139815), (390, 131928), (414, 124280), (460, 111852), (468, 109940), (478, 107640), (520, 98946), (552, 93210), (585, 87952), (598, 86040), (624, 82455), (690, 74568), (717, 71760), (720, 71461), (780, 65964), (828, 62140), (897, 57360), (920, 55926), (936, 54970), (956, 53820), (1035, 49712), (1040, 49473), (1104, 46605), (1170, 43976), (1195, 43056), (1196, 43020), (1380, 37284), (1434, 35880), (1495, 34416), (1560, 32982), (1656, 31070), (1794, 28680), (1840, 27963), (1872, 27485), (1912, 26910), (2070, 24856), (2151, 23920), (2340, 21988), (2390, 21528), (2392, 21510), (2691, 19120), (2760, 18642), (2868, 17940), (2990, 17208), (3107, 16560), (3120, 16491), (3312, 15535), (3585, 14352), (3588, 14340), (3824, 13455), (4140, 12428), (4302, 11960), (4485, 11472), (4680, 10994), (4780, 10764), (4784, 10755), (5382, 9560), (5497, 9360), (5520, 9321), (5736, 8970), (5980, 8604), (6214, 8280), (7170, 7176)]