6540560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 17290560

約数和(自身を除く): 10750000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 331, 380, 494, 520, 662, 760, 988, 1040, 1235, 1324, 1520, 1655, 1976, 2470, 2648, 3310, 3952, 4303, 4940, 5296, 6289, 6620, 8606, 9880, 12578, 13240, 17212, 19760, 21515, 25156, 26480, 31445, 34424, 43030, 50312, 62890, 68848, 81757, 86060, 100624, 125780, 163514, 172120, 251560, 327028, 344240, 408785, 503120, 654056, 817570, 1308112, 1635140, 3270280, 6540560]

約数ペア:

[(1, 6540560), (2, 3270280), (4, 1635140), (5, 1308112), (8, 817570), (10, 654056), (13, 503120), (16, 408785), (19, 344240), (20, 327028), (26, 251560), (38, 172120), (40, 163514), (52, 125780), (65, 100624), (76, 86060), (80, 81757), (95, 68848), (104, 62890), (130, 50312), (152, 43030), (190, 34424), (208, 31445), (247, 26480), (260, 25156), (304, 21515), (331, 19760), (380, 17212), (494, 13240), (520, 12578), (662, 9880), (760, 8606), (988, 6620), (1040, 6289), (1235, 5296), (1324, 4940), (1520, 4303), (1655, 3952), (1976, 3310), (2470, 2648)]