721292560

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{1093}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 1716591024

約数和(自身を除く): 995298464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 113, 146, 226, 292, 365, 452, 565, 584, 730, 904, 1093, 1130, 1168, 1460, 1808, 2186, 2260, 2920, 4372, 4520, 5465, 5840, 8249, 8744, 9040, 10930, 16498, 17488, 21860, 32996, 41245, 43720, 65992, 79789, 82490, 87440, 123509, 131984, 159578, 164980, 247018, 319156, 329960, 398945, 494036, 617545, 638312, 659920, 797890, 988072, 1235090, 1276624, 1595780, 1976144, 2470180, 3191560, 4940360, 6383120, 9016157, 9880720, 18032314, 36064628, 45080785, 72129256, 90161570, 144258512, 180323140, 360646280, 721292560]

約数ペア:

[(1, 721292560), (2, 360646280), (4, 180323140), (5, 144258512), (8, 90161570), (10, 72129256), (16, 45080785), (20, 36064628), (40, 18032314), (73, 9880720), (80, 9016157), (113, 6383120), (146, 4940360), (226, 3191560), (292, 2470180), (365, 1976144), (452, 1595780), (565, 1276624), (584, 1235090), (730, 988072), (904, 797890), (1093, 659920), (1130, 638312), (1168, 617545), (1460, 494036), (1808, 398945), (2186, 329960), (2260, 319156), (2920, 247018), (4372, 164980), (4520, 159578), (5465, 131984), (5840, 123509), (8249, 87440), (8744, 82490), (9040, 79789), (10930, 65992), (16498, 43720), (17488, 41245), (21860, 32996)]