71556400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 90

約数和(自身を含む): 182916740

約数和(自身を除く): 111360340

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 289, 340, 400, 425, 578, 619, 680, 850, 1156, 1238, 1360, 1445, 1700, 2312, 2476, 2890, 3095, 3400, 4624, 4952, 5780, 6190, 6800, 7225, 9904, 10523, 11560, 12380, 14450, 15475, 21046, 23120, 24760, 28900, 30950, 42092, 49520, 52615, 57800, 61900, 84184, 105230, 115600, 123800, 168368, 178891, 210460, 247600, 263075, 357782, 420920, 526150, 715564, 841840, 894455, 1052300, 1431128, 1788910, 2104600, 2862256, 3577820, 4209200, 4472275, 7155640, 8944550, 14311280, 17889100, 35778200, 71556400]

約数ペア:

[(1, 71556400), (2, 35778200), (4, 17889100), (5, 14311280), (8, 8944550), (10, 7155640), (16, 4472275), (17, 4209200), (20, 3577820), (25, 2862256), (34, 2104600), (40, 1788910), (50, 1431128), (68, 1052300), (80, 894455), (85, 841840), (100, 715564), (136, 526150), (170, 420920), (200, 357782), (272, 263075), (289, 247600), (340, 210460), (400, 178891), (425, 168368), (578, 123800), (619, 115600), (680, 105230), (850, 84184), (1156, 61900), (1238, 57800), (1360, 52615), (1445, 49520), (1700, 42092), (2312, 30950), (2476, 28900), (2890, 24760), (3095, 23120), (3400, 21046), (4624, 15475), (4952, 14450), (5780, 12380), (6190, 11560), (6800, 10523), (7225, 9904)]