72019480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8147}}^1$

素因数の和:8188

約数の個数: 64

約数和(自身を含む): 184796640

約数和(自身を除く): 112777160

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8147, 8840, 16294, 32588, 40735, 65176, 81470, 105911, 138499, 162940, 211822, 276998, 325880, 423644, 529555, 553996, 692495, 847288, 1059110, 1107992, 1384990, 1800487, 2118220, 2769980, 3600974, 4236440, 5539960, 7201948, 9002435, 14403896, 18004870, 36009740, 72019480]

約数ペア:

[(1, 72019480), (2, 36009740), (4, 18004870), (5, 14403896), (8, 9002435), (10, 7201948), (13, 5539960), (17, 4236440), (20, 3600974), (26, 2769980), (34, 2118220), (40, 1800487), (52, 1384990), (65, 1107992), (68, 1059110), (85, 847288), (104, 692495), (130, 553996), (136, 529555), (170, 423644), (221, 325880), (260, 276998), (340, 211822), (442, 162940), (520, 138499), (680, 105911), (884, 81470), (1105, 65176), (1768, 40735), (2210, 32588), (4420, 16294), (8147, 8840)]