256589160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1723}}^1$

素因数の和:1827

約数の個数: 128

約数和(自身を含む): 826692480

約数和(自身を除く): 570103320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 73, 85, 102, 120, 136, 146, 170, 204, 219, 255, 292, 340, 365, 408, 438, 510, 584, 680, 730, 876, 1020, 1095, 1241, 1460, 1723, 1752, 2040, 2190, 2482, 2920, 3446, 3723, 4380, 4964, 5169, 6205, 6892, 7446, 8615, 8760, 9928, 10338, 12410, 13784, 14892, 17230, 18615, 20676, 24820, 25845, 29291, 29784, 34460, 37230, 41352, 49640, 51690, 58582, 68920, 74460, 87873, 103380, 117164, 125779, 146455, 148920, 175746, 206760, 234328, 251558, 292910, 351492, 377337, 439365, 503116, 585820, 628895, 702984, 754674, 878730, 1006232, 1171640, 1257790, 1509348, 1757460, 1886685, 2138243, 2515580, 3018696, 3514920, 3773370, 4276486, 5031160, 6414729, 7546740, 8552972, 10691215, 12829458, 15093480, 17105944, 21382430, 25658916, 32073645, 42764860, 51317832, 64147290, 85529720, 128294580, 256589160]

約数ペア:

[(1, 256589160), (2, 128294580), (3, 85529720), (4, 64147290), (5, 51317832), (6, 42764860), (8, 32073645), (10, 25658916), (12, 21382430), (15, 17105944), (17, 15093480), (20, 12829458), (24, 10691215), (30, 8552972), (34, 7546740), (40, 6414729), (51, 5031160), (60, 4276486), (68, 3773370), (73, 3514920), (85, 3018696), (102, 2515580), (120, 2138243), (136, 1886685), (146, 1757460), (170, 1509348), (204, 1257790), (219, 1171640), (255, 1006232), (292, 878730), (340, 754674), (365, 702984), (408, 628895), (438, 585820), (510, 503116), (584, 439365), (680, 377337), (730, 351492), (876, 292910), (1020, 251558), (1095, 234328), (1241, 206760), (1460, 175746), (1723, 148920), (1752, 146455), (2040, 125779), (2190, 117164), (2482, 103380), (2920, 87873), (3446, 74460), (3723, 68920), (4380, 58582), (4964, 51690), (5169, 49640), (6205, 41352), (6892, 37230), (7446, 34460), (8615, 29784), (8760, 29291), (9928, 25845), (10338, 24820), (12410, 20676), (13784, 18615), (14892, 17230)]