64400940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:756

約数の個数: 96

約数和(自身を含む): 201600000

約数和(自身を除く): 137199060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 239, 270, 478, 499, 540, 717, 956, 998, 1195, 1434, 1497, 1996, 2151, 2390, 2495, 2868, 2994, 3585, 4302, 4491, 4780, 4990, 5988, 6453, 7170, 7485, 8604, 8982, 9980, 10755, 12906, 13473, 14340, 14970, 17964, 21510, 22455, 25812, 26946, 29940, 32265, 43020, 44910, 53892, 64530, 67365, 89820, 119261, 129060, 134730, 238522, 269460, 357783, 477044, 596305, 715566, 1073349, 1192610, 1431132, 1788915, 2146698, 2385220, 3220047, 3577830, 4293396, 5366745, 6440094, 7155660, 10733490, 12880188, 16100235, 21466980, 32200470, 64400940]

約数ペア:

[(1, 64400940), (2, 32200470), (3, 21466980), (4, 16100235), (5, 12880188), (6, 10733490), (9, 7155660), (10, 6440094), (12, 5366745), (15, 4293396), (18, 3577830), (20, 3220047), (27, 2385220), (30, 2146698), (36, 1788915), (45, 1431132), (54, 1192610), (60, 1073349), (90, 715566), (108, 596305), (135, 477044), (180, 357783), (239, 269460), (270, 238522), (478, 134730), (499, 129060), (540, 119261), (717, 89820), (956, 67365), (998, 64530), (1195, 53892), (1434, 44910), (1497, 43020), (1996, 32265), (2151, 29940), (2390, 26946), (2495, 25812), (2868, 22455), (2994, 21510), (3585, 17964), (4302, 14970), (4491, 14340), (4780, 13473), (4990, 12906), (5988, 10755), (6453, 9980), (7170, 8982), (7485, 8604)]