90878640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{378661}}^1$

素因数の和:378677

約数の個数: 40

約数和(自身を含む): 281724528

約数和(自身を除く): 190845888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 378661, 757322, 1135983, 1514644, 1893305, 2271966, 3029288, 3786610, 4543932, 5679915, 6058576, 7573220, 9087864, 11359830, 15146440, 18175728, 22719660, 30292880, 45439320, 90878640]

約数ペア:

[(1, 90878640), (2, 45439320), (3, 30292880), (4, 22719660), (5, 18175728), (6, 15146440), (8, 11359830), (10, 9087864), (12, 7573220), (15, 6058576), (16, 5679915), (20, 4543932), (24, 3786610), (30, 3029288), (40, 2271966), (48, 1893305), (60, 1514644), (80, 1135983), (120, 757322), (240, 378661)]