1640112960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2657}}^1$

素因数の和:3320

約数の個数: 112

約数和(自身を含む): 5217420096

約数和(自身を除く): 3577307136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 643, 960, 1286, 1929, 2572, 2657, 3215, 3858, 5144, 5314, 6430, 7716, 7971, 9645, 10288, 10628, 12860, 13285, 15432, 15942, 19290, 20576, 21256, 25720, 26570, 30864, 31884, 38580, 39855, 41152, 42512, 51440, 53140, 61728, 63768, 77160, 79710, 85024, 102880, 106280, 123456, 127536, 154320, 159420, 170048, 205760, 212560, 255072, 308640, 318840, 425120, 510144, 617280, 637680, 850240, 1275360, 1708451, 2550720, 3416902, 5125353, 6833804, 8542255, 10250706, 13667608, 17084510, 20501412, 25626765, 27335216, 34169020, 41002824, 51253530, 54670432, 68338040, 82005648, 102507060, 109340864, 136676080, 164011296, 205014120, 273352160, 328022592, 410028240, 546704320, 820056480, 1640112960]

約数ペア:

[(1, 1640112960), (2, 820056480), (3, 546704320), (4, 410028240), (5, 328022592), (6, 273352160), (8, 205014120), (10, 164011296), (12, 136676080), (15, 109340864), (16, 102507060), (20, 82005648), (24, 68338040), (30, 54670432), (32, 51253530), (40, 41002824), (48, 34169020), (60, 27335216), (64, 25626765), (80, 20501412), (96, 17084510), (120, 13667608), (160, 10250706), (192, 8542255), (240, 6833804), (320, 5125353), (480, 3416902), (643, 2550720), (960, 1708451), (1286, 1275360), (1929, 850240), (2572, 637680), (2657, 617280), (3215, 510144), (3858, 425120), (5144, 318840), (5314, 308640), (6430, 255072), (7716, 212560), (7971, 205760), (9645, 170048), (10288, 159420), (10628, 154320), (12860, 127536), (13285, 123456), (15432, 106280), (15942, 102880), (19290, 85024), (20576, 79710), (21256, 77160), (25720, 63768), (26570, 61728), (30864, 53140), (31884, 51440), (38580, 42512), (39855, 41152)]