87040640

素因数分解:

$2^7\times 5^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:769

約数の個数: 64

約数和(自身を含む): 209230560

約数和(自身を除く): 122189920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 307, 320, 443, 614, 640, 886, 1228, 1535, 1772, 2215, 2456, 3070, 3544, 4430, 4912, 6140, 7088, 8860, 9824, 12280, 14176, 17720, 19648, 24560, 28352, 35440, 39296, 49120, 56704, 70880, 98240, 136001, 141760, 196480, 272002, 283520, 544004, 680005, 1088008, 1360010, 2176016, 2720020, 4352032, 5440040, 8704064, 10880080, 17408128, 21760160, 43520320, 87040640]

約数ペア:

[(1, 87040640), (2, 43520320), (4, 21760160), (5, 17408128), (8, 10880080), (10, 8704064), (16, 5440040), (20, 4352032), (32, 2720020), (40, 2176016), (64, 1360010), (80, 1088008), (128, 680005), (160, 544004), (307, 283520), (320, 272002), (443, 196480), (614, 141760), (640, 136001), (886, 98240), (1228, 70880), (1535, 56704), (1772, 49120), (2215, 39296), (2456, 35440), (3070, 28352), (3544, 24560), (4430, 19648), (4912, 17720), (6140, 14176), (7088, 12280), (8860, 9824)]