131529640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 346187520

約数和(自身を除く): 214657880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 41, 44, 46, 55, 82, 88, 92, 110, 115, 164, 184, 205, 220, 230, 253, 317, 328, 410, 440, 451, 460, 506, 634, 820, 902, 920, 943, 1012, 1265, 1268, 1585, 1640, 1804, 1886, 2024, 2255, 2530, 2536, 3170, 3487, 3608, 3772, 4510, 4715, 5060, 6340, 6974, 7291, 7544, 9020, 9430, 10120, 10373, 12680, 12997, 13948, 14582, 17435, 18040, 18860, 20746, 25994, 27896, 29164, 34870, 36455, 37720, 41492, 51865, 51988, 58328, 64985, 69740, 72910, 80201, 82984, 103730, 103976, 129970, 139480, 142967, 145820, 160402, 207460, 259940, 285934, 291640, 298931, 320804, 401005, 414920, 519880, 571868, 597862, 641608, 714835, 802010, 1143736, 1195724, 1429670, 1494655, 1604020, 2391448, 2859340, 2989310, 3208040, 3288241, 5718680, 5978620, 6576482, 11957240, 13152964, 16441205, 26305928, 32882410, 65764820, 131529640]

約数ペア:

[(1, 131529640), (2, 65764820), (4, 32882410), (5, 26305928), (8, 16441205), (10, 13152964), (11, 11957240), (20, 6576482), (22, 5978620), (23, 5718680), (40, 3288241), (41, 3208040), (44, 2989310), (46, 2859340), (55, 2391448), (82, 1604020), (88, 1494655), (92, 1429670), (110, 1195724), (115, 1143736), (164, 802010), (184, 714835), (205, 641608), (220, 597862), (230, 571868), (253, 519880), (317, 414920), (328, 401005), (410, 320804), (440, 298931), (451, 291640), (460, 285934), (506, 259940), (634, 207460), (820, 160402), (902, 145820), (920, 142967), (943, 139480), (1012, 129970), (1265, 103976), (1268, 103730), (1585, 82984), (1640, 80201), (1804, 72910), (1886, 69740), (2024, 64985), (2255, 58328), (2530, 51988), (2536, 51865), (3170, 41492), (3487, 37720), (3608, 36455), (3772, 34870), (4510, 29164), (4715, 27896), (5060, 25994), (6340, 20746), (6974, 18860), (7291, 18040), (7544, 17435), (9020, 14582), (9430, 13948), (10120, 12997), (10373, 12680)]