64001120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 96

約数和(自身を含む): 163749600

約数和(自身を除く): 99748480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 74, 76, 80, 95, 148, 152, 160, 185, 190, 296, 304, 370, 380, 569, 592, 608, 703, 740, 760, 1138, 1184, 1406, 1480, 1520, 2276, 2812, 2845, 2960, 3040, 3515, 4552, 5624, 5690, 5920, 7030, 9104, 10811, 11248, 11380, 14060, 18208, 21053, 21622, 22496, 22760, 28120, 42106, 43244, 45520, 54055, 56240, 84212, 86488, 91040, 105265, 108110, 112480, 168424, 172976, 210530, 216220, 336848, 345952, 400007, 421060, 432440, 673696, 800014, 842120, 864880, 1600028, 1684240, 1729760, 2000035, 3200056, 3368480, 4000070, 6400112, 8000140, 12800224, 16000280, 32000560, 64001120]

約数ペア:

[(1, 64001120), (2, 32000560), (4, 16000280), (5, 12800224), (8, 8000140), (10, 6400112), (16, 4000070), (19, 3368480), (20, 3200056), (32, 2000035), (37, 1729760), (38, 1684240), (40, 1600028), (74, 864880), (76, 842120), (80, 800014), (95, 673696), (148, 432440), (152, 421060), (160, 400007), (185, 345952), (190, 336848), (296, 216220), (304, 210530), (370, 172976), (380, 168424), (569, 112480), (592, 108110), (608, 105265), (703, 91040), (740, 86488), (760, 84212), (1138, 56240), (1184, 54055), (1406, 45520), (1480, 43244), (1520, 42106), (2276, 28120), (2812, 22760), (2845, 22496), (2960, 21622), (3040, 21053), (3515, 18208), (4552, 14060), (5624, 11380), (5690, 11248), (5920, 10811), (7030, 9104)]