80203830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{619}}^1$

素因数の和:1253

約数の個数: 64

約数和(自身を含む): 220700160

約数和(自身を除く): 140496330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 617, 619, 1234, 1238, 1851, 1857, 3085, 3095, 3702, 3714, 4319, 4333, 6170, 6190, 8638, 8666, 9255, 9285, 12957, 12999, 18510, 18570, 21595, 21665, 25914, 25998, 43190, 43330, 64785, 64995, 129570, 129990, 381923, 763846, 1145769, 1909615, 2291538, 2673461, 3819230, 5346922, 5728845, 8020383, 11457690, 13367305, 16040766, 26734610, 40101915, 80203830]

約数ペア:

[(1, 80203830), (2, 40101915), (3, 26734610), (5, 16040766), (6, 13367305), (7, 11457690), (10, 8020383), (14, 5728845), (15, 5346922), (21, 3819230), (30, 2673461), (35, 2291538), (42, 1909615), (70, 1145769), (105, 763846), (210, 381923), (617, 129990), (619, 129570), (1234, 64995), (1238, 64785), (1851, 43330), (1857, 43190), (3085, 25998), (3095, 25914), (3702, 21665), (3714, 21595), (4319, 18570), (4333, 18510), (6170, 12999), (6190, 12957), (8638, 9285), (8666, 9255)]