90784120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10459}}^1$

素因数の和:10508

約数の個数: 64

約数和(自身を含む): 240998400

約数和(自身を除く): 150214280

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, 10459, 20918, 41836, 52295, 73213, 83672, 104590, 146426, 209180, 292852, 324229, 366065, 418360, 585704, 648458, 732130, 1296916, 1464260, 1621145, 2269603, 2593832, 2928520, 3242290, 4539206, 6484580, 9078412, 11348015, 12969160, 18156824, 22696030, 45392060, 90784120]

約数ペア:

[(1, 90784120), (2, 45392060), (4, 22696030), (5, 18156824), (7, 12969160), (8, 11348015), (10, 9078412), (14, 6484580), (20, 4539206), (28, 3242290), (31, 2928520), (35, 2593832), (40, 2269603), (56, 1621145), (62, 1464260), (70, 1296916), (124, 732130), (140, 648458), (155, 585704), (217, 418360), (248, 366065), (280, 324229), (310, 292852), (434, 209180), (620, 146426), (868, 104590), (1085, 83672), (1240, 73213), (1736, 52295), (2170, 41836), (4340, 20918), (8680, 10459)]