130831120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{761}}^1$

素因数の和:1088

約数の個数: 80

約数和(自身を含む): 349227648

約数和(自身を除く): 218396528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 560, 614, 761, 1228, 1522, 1535, 2149, 2456, 3044, 3070, 3805, 4298, 4912, 5327, 6088, 6140, 7610, 8596, 10654, 10745, 12176, 12280, 15220, 17192, 21308, 21490, 24560, 26635, 30440, 34384, 42616, 42980, 53270, 60880, 85232, 85960, 106540, 171920, 213080, 233627, 426160, 467254, 934508, 1168135, 1635389, 1869016, 2336270, 3270778, 3738032, 4672540, 6541556, 8176945, 9345080, 13083112, 16353890, 18690160, 26166224, 32707780, 65415560, 130831120]

約数ペア:

[(1, 130831120), (2, 65415560), (4, 32707780), (5, 26166224), (7, 18690160), (8, 16353890), (10, 13083112), (14, 9345080), (16, 8176945), (20, 6541556), (28, 4672540), (35, 3738032), (40, 3270778), (56, 2336270), (70, 1869016), (80, 1635389), (112, 1168135), (140, 934508), (280, 467254), (307, 426160), (560, 233627), (614, 213080), (761, 171920), (1228, 106540), (1522, 85960), (1535, 85232), (2149, 60880), (2456, 53270), (3044, 42980), (3070, 42616), (3805, 34384), (4298, 30440), (4912, 26635), (5327, 24560), (6088, 21490), (6140, 21308), (7610, 17192), (8596, 15220), (10654, 12280), (10745, 12176)]