65410020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27953}}^1$

素因数の和:27981

約数の個数: 72

約数和(自身を含む): 213680376

約数和(自身を除く): 148270356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 27953, 55906, 83859, 111812, 139765, 167718, 251577, 279530, 335436, 363389, 419295, 503154, 559060, 726778, 838590, 1006308, 1090167, 1257885, 1453556, 1677180, 1816945, 2180334, 2515770, 3270501, 3633890, 4360668, 5031540, 5450835, 6541002, 7267780, 10901670, 13082004, 16352505, 21803340, 32705010, 65410020]

約数ペア:

[(1, 65410020), (2, 32705010), (3, 21803340), (4, 16352505), (5, 13082004), (6, 10901670), (9, 7267780), (10, 6541002), (12, 5450835), (13, 5031540), (15, 4360668), (18, 3633890), (20, 3270501), (26, 2515770), (30, 2180334), (36, 1816945), (39, 1677180), (45, 1453556), (52, 1257885), (60, 1090167), (65, 1006308), (78, 838590), (90, 726778), (117, 559060), (130, 503154), (156, 419295), (180, 363389), (195, 335436), (234, 279530), (260, 251577), (390, 167718), (468, 139765), (585, 111812), (780, 83859), (1170, 55906), (2340, 27953)]