64091020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3847}}^1$

素因数の和:3887

約数の個数: 72

約数和(自身を含む): 165818016

約数和(自身を除く): 101726996

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 3847, 4165, 7694, 8330, 15388, 16660, 19235, 26929, 38470, 53858, 65399, 76940, 107716, 130798, 134645, 188503, 261596, 269290, 326995, 377006, 457793, 538580, 653990, 754012, 915586, 942515, 1307980, 1831172, 1885030, 2288965, 3204551, 3770060, 4577930, 6409102, 9155860, 12818204, 16022755, 32045510, 64091020]

約数ペア:

[(1, 64091020), (2, 32045510), (4, 16022755), (5, 12818204), (7, 9155860), (10, 6409102), (14, 4577930), (17, 3770060), (20, 3204551), (28, 2288965), (34, 1885030), (35, 1831172), (49, 1307980), (68, 942515), (70, 915586), (85, 754012), (98, 653990), (119, 538580), (140, 457793), (170, 377006), (196, 326995), (238, 269290), (245, 261596), (340, 188503), (476, 134645), (490, 130798), (595, 107716), (833, 76940), (980, 65399), (1190, 53858), (1666, 38470), (2380, 26929), (3332, 19235), (3847, 16660), (4165, 15388), (7694, 8330)]