81123060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10321}}^1$

素因数の和:10464

約数の個数: 48

約数和(自身を含む): 228900672

約数和(自身を除く): 147777612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 10321, 20642, 30963, 41284, 51605, 61926, 103210, 123852, 154815, 206420, 309630, 619260, 1352051, 2704102, 4056153, 5408204, 6760255, 8112306, 13520510, 16224612, 20280765, 27041020, 40561530, 81123060]

約数ペア:

[(1, 81123060), (2, 40561530), (3, 27041020), (4, 20280765), (5, 16224612), (6, 13520510), (10, 8112306), (12, 6760255), (15, 5408204), (20, 4056153), (30, 2704102), (60, 1352051), (131, 619260), (262, 309630), (393, 206420), (524, 154815), (655, 123852), (786, 103210), (1310, 61926), (1572, 51605), (1965, 41284), (2620, 30963), (3930, 20642), (7860, 10321)]