72715280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4349}}^1$

素因数の和:4392

約数の個数: 80

約数和(自身を含む): 194184000

約数和(自身を除く): 121468720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 4349, 8360, 8698, 16720, 17396, 21745, 34792, 43490, 47839, 69584, 82631, 86980, 95678, 165262, 173960, 191356, 239195, 330524, 347920, 382712, 413155, 478390, 661048, 765424, 826310, 908941, 956780, 1322096, 1652620, 1817882, 1913560, 3305240, 3635764, 3827120, 4544705, 6610480, 7271528, 9089410, 14543056, 18178820, 36357640, 72715280]

約数ペア:

[(1, 72715280), (2, 36357640), (4, 18178820), (5, 14543056), (8, 9089410), (10, 7271528), (11, 6610480), (16, 4544705), (19, 3827120), (20, 3635764), (22, 3305240), (38, 1913560), (40, 1817882), (44, 1652620), (55, 1322096), (76, 956780), (80, 908941), (88, 826310), (95, 765424), (110, 661048), (152, 478390), (176, 413155), (190, 382712), (209, 347920), (220, 330524), (304, 239195), (380, 191356), (418, 173960), (440, 165262), (760, 95678), (836, 86980), (880, 82631), (1045, 69584), (1520, 47839), (1672, 43490), (2090, 34792), (3344, 21745), (4180, 17396), (4349, 16720), (8360, 8698)]