81045160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9337}}^1$

素因数の和:9386

約数の個数: 64

約数和(自身を含む): 215147520

約数和(自身を除く): 134102360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9337, 18674, 37348, 46685, 65359, 74696, 93370, 130718, 186740, 261436, 289447, 326795, 373480, 522872, 578894, 653590, 1157788, 1307180, 1447235, 2026129, 2315576, 2614360, 2894470, 4052258, 5788940, 8104516, 10130645, 11577880, 16209032, 20261290, 40522580, 81045160]

約数ペア:

[(1, 81045160), (2, 40522580), (4, 20261290), (5, 16209032), (7, 11577880), (8, 10130645), (10, 8104516), (14, 5788940), (20, 4052258), (28, 2894470), (31, 2614360), (35, 2315576), (40, 2026129), (56, 1447235), (62, 1307180), (70, 1157788), (124, 653590), (140, 578894), (155, 522872), (217, 373480), (248, 326795), (280, 289447), (310, 261436), (434, 186740), (620, 130718), (868, 93370), (1085, 74696), (1240, 65359), (1736, 46685), (2170, 37348), (4340, 18674), (8680, 9337)]