30967040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1861}}^1$

素因数の和:1895

約数の個数: 72

約数和(自身を含む): 79924488

約数和(自身を除く): 48957448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 1861, 2080, 3328, 3722, 4160, 7444, 8320, 9305, 14888, 16640, 18610, 24193, 29776, 37220, 48386, 59552, 74440, 96772, 119104, 120965, 148880, 193544, 238208, 241930, 297760, 387088, 476416, 483860, 595520, 774176, 967720, 1191040, 1548352, 1935440, 2382080, 3096704, 3870880, 6193408, 7741760, 15483520, 30967040]

約数ペア:

[(1, 30967040), (2, 15483520), (4, 7741760), (5, 6193408), (8, 3870880), (10, 3096704), (13, 2382080), (16, 1935440), (20, 1548352), (26, 1191040), (32, 967720), (40, 774176), (52, 595520), (64, 483860), (65, 476416), (80, 387088), (104, 297760), (128, 241930), (130, 238208), (160, 193544), (208, 148880), (256, 120965), (260, 119104), (320, 96772), (416, 74440), (520, 59552), (640, 48386), (832, 37220), (1040, 29776), (1280, 24193), (1664, 18610), (1861, 16640), (2080, 14888), (3328, 9305), (3722, 8320), (4160, 7444)]