31294720

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1063}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 78293376

約数和(自身を除く): 46998656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1063, 1280, 1472, 1840, 2126, 2944, 3680, 4252, 5315, 5888, 7360, 8504, 10630, 14720, 17008, 21260, 24449, 29440, 34016, 42520, 48898, 68032, 85040, 97796, 122245, 136064, 170080, 195592, 244490, 272128, 340160, 391184, 488980, 680320, 782368, 977960, 1360640, 1564736, 1955920, 3129472, 3911840, 6258944, 7823680, 15647360, 31294720]

約数ペア:

[(1, 31294720), (2, 15647360), (4, 7823680), (5, 6258944), (8, 3911840), (10, 3129472), (16, 1955920), (20, 1564736), (23, 1360640), (32, 977960), (40, 782368), (46, 680320), (64, 488980), (80, 391184), (92, 340160), (115, 272128), (128, 244490), (160, 195592), (184, 170080), (230, 136064), (256, 122245), (320, 97796), (368, 85040), (460, 68032), (640, 48898), (736, 42520), (920, 34016), (1063, 29440), (1280, 24449), (1472, 21260), (1840, 17008), (2126, 14720), (2944, 10630), (3680, 8504), (4252, 7360), (5315, 5888)]