64190980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3853}}^1$

素因数の和:3893

約数の個数: 72

約数和(自身を含む): 166076568

約数和(自身を除く): 101885588

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, 3853, 4165, 7706, 8330, 15412, 16660, 19265, 26971, 38530, 53942, 65501, 77060, 107884, 131002, 134855, 188797, 262004, 269710, 327505, 377594, 458507, 539420, 655010, 755188, 917014, 943985, 1310020, 1834028, 1887970, 2292535, 3209549, 3775940, 4585070, 6419098, 9170140, 12838196, 16047745, 32095490, 64190980]

約数ペア:

[(1, 64190980), (2, 32095490), (4, 16047745), (5, 12838196), (7, 9170140), (10, 6419098), (14, 4585070), (17, 3775940), (20, 3209549), (28, 2292535), (34, 1887970), (35, 1834028), (49, 1310020), (68, 943985), (70, 917014), (85, 755188), (98, 655010), (119, 539420), (140, 458507), (170, 377594), (196, 327505), (238, 269710), (245, 262004), (340, 188797), (476, 134855), (490, 131002), (595, 107884), (833, 77060), (980, 65501), (1190, 53942), (1666, 38530), (2380, 26971), (3332, 19265), (3853, 16660), (4165, 15412), (7706, 8330)]