161427280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2551}}^1$

素因数の和:2684

約数の個数: 80

約数和(自身を含む): 432900864

約数和(自身を除く): 271473584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 791, 904, 1130, 1582, 1808, 2260, 2551, 3164, 3955, 4520, 5102, 6328, 7910, 9040, 10204, 12656, 12755, 15820, 17857, 20408, 25510, 31640, 35714, 40816, 51020, 63280, 71428, 89285, 102040, 142856, 178570, 204080, 285712, 288263, 357140, 576526, 714280, 1153052, 1428560, 1441315, 2017841, 2306104, 2882630, 4035682, 4612208, 5765260, 8071364, 10089205, 11530520, 16142728, 20178410, 23061040, 32285456, 40356820, 80713640, 161427280]

約数ペア:

[(1, 161427280), (2, 80713640), (4, 40356820), (5, 32285456), (7, 23061040), (8, 20178410), (10, 16142728), (14, 11530520), (16, 10089205), (20, 8071364), (28, 5765260), (35, 4612208), (40, 4035682), (56, 2882630), (70, 2306104), (80, 2017841), (112, 1441315), (113, 1428560), (140, 1153052), (226, 714280), (280, 576526), (452, 357140), (560, 288263), (565, 285712), (791, 204080), (904, 178570), (1130, 142856), (1582, 102040), (1808, 89285), (2260, 71428), (2551, 63280), (3164, 51020), (3955, 40816), (4520, 35714), (5102, 31640), (6328, 25510), (7910, 20408), (9040, 17857), (10204, 15820), (12656, 12755)]