6663320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 16329600

約数和(自身を除く): 9666280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 239, 328, 340, 410, 478, 680, 697, 820, 956, 1195, 1394, 1640, 1912, 2390, 2788, 3485, 4063, 4780, 5576, 6970, 8126, 9560, 9799, 13940, 16252, 19598, 20315, 27880, 32504, 39196, 40630, 48995, 78392, 81260, 97990, 162520, 166583, 195980, 333166, 391960, 666332, 832915, 1332664, 1665830, 3331660, 6663320]

約数ペア:

[(1, 6663320), (2, 3331660), (4, 1665830), (5, 1332664), (8, 832915), (10, 666332), (17, 391960), (20, 333166), (34, 195980), (40, 166583), (41, 162520), (68, 97990), (82, 81260), (85, 78392), (136, 48995), (164, 40630), (170, 39196), (205, 32504), (239, 27880), (328, 20315), (340, 19598), (410, 16252), (478, 13940), (680, 9799), (697, 9560), (820, 8126), (956, 6970), (1195, 5576), (1394, 4780), (1640, 4063), (1912, 3485), (2390, 2788)]