122912920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 319334400

約数和(自身を除く): 196421480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 43, 46, 52, 65, 86, 92, 104, 115, 130, 172, 184, 215, 230, 239, 260, 299, 344, 430, 460, 478, 520, 559, 598, 860, 920, 956, 989, 1118, 1195, 1196, 1495, 1720, 1912, 1978, 2236, 2390, 2392, 2795, 2990, 3107, 3956, 4472, 4780, 4945, 5497, 5590, 5980, 6214, 7912, 9560, 9890, 10277, 10994, 11180, 11960, 12428, 12857, 15535, 19780, 20554, 21988, 22360, 24856, 25714, 27485, 31070, 39560, 41108, 43976, 51385, 51428, 54970, 62140, 64285, 71461, 82216, 102770, 102856, 109940, 124280, 128570, 133601, 142922, 205540, 219880, 236371, 257140, 267202, 285844, 357305, 411080, 472742, 514280, 534404, 571688, 668005, 714610, 945484, 1068808, 1181855, 1336010, 1429220, 1890968, 2363710, 2672020, 2858440, 3072823, 4727420, 5344040, 6145646, 9454840, 12291292, 15364115, 24582584, 30728230, 61456460, 122912920]

約数ペア:

[(1, 122912920), (2, 61456460), (4, 30728230), (5, 24582584), (8, 15364115), (10, 12291292), (13, 9454840), (20, 6145646), (23, 5344040), (26, 4727420), (40, 3072823), (43, 2858440), (46, 2672020), (52, 2363710), (65, 1890968), (86, 1429220), (92, 1336010), (104, 1181855), (115, 1068808), (130, 945484), (172, 714610), (184, 668005), (215, 571688), (230, 534404), (239, 514280), (260, 472742), (299, 411080), (344, 357305), (430, 285844), (460, 267202), (478, 257140), (520, 236371), (559, 219880), (598, 205540), (860, 142922), (920, 133601), (956, 128570), (989, 124280), (1118, 109940), (1195, 102856), (1196, 102770), (1495, 82216), (1720, 71461), (1912, 64285), (1978, 62140), (2236, 54970), (2390, 51428), (2392, 51385), (2795, 43976), (2990, 41108), (3107, 39560), (3956, 31070), (4472, 27485), (4780, 25714), (4945, 24856), (5497, 22360), (5590, 21988), (5980, 20554), (6214, 19780), (7912, 15535), (9560, 12857), (9890, 12428), (10277, 11960), (10994, 11180)]