156948866920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{321169}}^1$

素因数の和:321842

約数の個数: 64

約数和(自身を含む): 372300264000

約数和(自身を除く): 215351397080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 643, 760, 1286, 2572, 3215, 5144, 6430, 12217, 12860, 24434, 25720, 48868, 61085, 97736, 122170, 244340, 321169, 488680, 642338, 1284676, 1605845, 2569352, 3211690, 6102211, 6423380, 12204422, 12846760, 24408844, 30511055, 48817688, 61022110, 122044220, 206511667, 244088440, 413023334, 826046668, 1032558335, 1652093336, 2065116670, 3923721673, 4130233340, 7847443346, 8260466680, 15694886692, 19618608365, 31389773384, 39237216730, 78474433460, 156948866920]

約数ペア:

[(1, 156948866920), (2, 78474433460), (4, 39237216730), (5, 31389773384), (8, 19618608365), (10, 15694886692), (19, 8260466680), (20, 7847443346), (38, 4130233340), (40, 3923721673), (76, 2065116670), (95, 1652093336), (152, 1032558335), (190, 826046668), (380, 413023334), (643, 244088440), (760, 206511667), (1286, 122044220), (2572, 61022110), (3215, 48817688), (5144, 30511055), (6430, 24408844), (12217, 12846760), (12860, 12204422), (24434, 6423380), (25720, 6102211), (48868, 3211690), (61085, 2569352), (97736, 1605845), (122170, 1284676), (244340, 642338), (321169, 488680)]