64944080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^2$

素因数の和:153

約数の個数: 90

約数和(自身を含む): 163483026

約数和(自身を除く): 98538946

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 212, 265, 272, 289, 340, 424, 530, 578, 680, 848, 901, 1060, 1156, 1360, 1445, 1802, 2120, 2312, 2809, 2890, 3604, 4240, 4505, 4624, 5618, 5780, 7208, 9010, 11236, 11560, 14045, 14416, 15317, 18020, 22472, 23120, 28090, 30634, 36040, 44944, 47753, 56180, 61268, 72080, 76585, 95506, 112360, 122536, 153170, 191012, 224720, 238765, 245072, 306340, 382024, 477530, 612680, 764048, 811801, 955060, 1225360, 1623602, 1910120, 3247204, 3820240, 4059005, 6494408, 8118010, 12988816, 16236020, 32472040, 64944080]

約数ペア:

[(1, 64944080), (2, 32472040), (4, 16236020), (5, 12988816), (8, 8118010), (10, 6494408), (16, 4059005), (17, 3820240), (20, 3247204), (34, 1910120), (40, 1623602), (53, 1225360), (68, 955060), (80, 811801), (85, 764048), (106, 612680), (136, 477530), (170, 382024), (212, 306340), (265, 245072), (272, 238765), (289, 224720), (340, 191012), (424, 153170), (530, 122536), (578, 112360), (680, 95506), (848, 76585), (901, 72080), (1060, 61268), (1156, 56180), (1360, 47753), (1445, 44944), (1802, 36040), (2120, 30634), (2312, 28090), (2809, 23120), (2890, 22472), (3604, 18020), (4240, 15317), (4505, 14416), (4624, 14045), (5618, 11560), (5780, 11236), (7208, 9010)]