15721032340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{41161}}^1$

素因数の和:41309

約数の個数: 72

約数和(自身を含む): 36066309048

約数和(自身を除く): 20345276708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 169, 226, 260, 338, 452, 565, 676, 845, 1130, 1469, 1690, 2260, 2938, 3380, 5876, 7345, 14690, 19097, 29380, 38194, 41161, 76388, 82322, 95485, 164644, 190970, 205805, 381940, 411610, 535093, 823220, 1070186, 2140372, 2675465, 4651193, 5350930, 6956209, 9302386, 10701860, 13912418, 18604772, 23255965, 27824836, 34781045, 46511930, 60465509, 69562090, 93023860, 120931018, 139124180, 241862036, 302327545, 604655090, 786051617, 1209310180, 1572103234, 3144206468, 3930258085, 7860516170, 15721032340]

約数ペア:

[(1, 15721032340), (2, 7860516170), (4, 3930258085), (5, 3144206468), (10, 1572103234), (13, 1209310180), (20, 786051617), (26, 604655090), (52, 302327545), (65, 241862036), (113, 139124180), (130, 120931018), (169, 93023860), (226, 69562090), (260, 60465509), (338, 46511930), (452, 34781045), (565, 27824836), (676, 23255965), (845, 18604772), (1130, 13912418), (1469, 10701860), (1690, 9302386), (2260, 6956209), (2938, 5350930), (3380, 4651193), (5876, 2675465), (7345, 2140372), (14690, 1070186), (19097, 823220), (29380, 535093), (38194, 411610), (41161, 381940), (76388, 205805), (82322, 190970), (95485, 164644)]