64990320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{937}}^1$

素因数の和:987

約数の個数: 120

約数和(自身を含む): 214246704

約数和(自身を除く): 149256384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 340, 408, 510, 578, 680, 816, 867, 937, 1020, 1156, 1360, 1445, 1734, 1874, 2040, 2312, 2811, 2890, 3468, 3748, 4080, 4335, 4624, 4685, 5622, 5780, 6936, 7496, 8670, 9370, 11244, 11560, 13872, 14055, 14992, 15929, 17340, 18740, 22488, 23120, 28110, 31858, 34680, 37480, 44976, 47787, 56220, 63716, 69360, 74960, 79645, 95574, 112440, 127432, 159290, 191148, 224880, 238935, 254864, 270793, 318580, 382296, 477870, 541586, 637160, 764592, 812379, 955740, 1083172, 1274320, 1353965, 1624758, 1911480, 2166344, 2707930, 3249516, 3822960, 4061895, 4332688, 5415860, 6499032, 8123790, 10831720, 12998064, 16247580, 21663440, 32495160, 64990320]

約数ペア:

[(1, 64990320), (2, 32495160), (3, 21663440), (4, 16247580), (5, 12998064), (6, 10831720), (8, 8123790), (10, 6499032), (12, 5415860), (15, 4332688), (16, 4061895), (17, 3822960), (20, 3249516), (24, 2707930), (30, 2166344), (34, 1911480), (40, 1624758), (48, 1353965), (51, 1274320), (60, 1083172), (68, 955740), (80, 812379), (85, 764592), (102, 637160), (120, 541586), (136, 477870), (170, 382296), (204, 318580), (240, 270793), (255, 254864), (272, 238935), (289, 224880), (340, 191148), (408, 159290), (510, 127432), (578, 112440), (680, 95574), (816, 79645), (867, 74960), (937, 69360), (1020, 63716), (1156, 56220), (1360, 47787), (1445, 44976), (1734, 37480), (1874, 34680), (2040, 31858), (2312, 28110), (2811, 23120), (2890, 22488), (3468, 18740), (3748, 17340), (4080, 15929), (4335, 14992), (4624, 14055), (4685, 13872), (5622, 11560), (5780, 11244), (6936, 9370), (7496, 8670)]