72837640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 173664000

約数和(自身を除く): 100826360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 380, 401, 478, 760, 802, 956, 1195, 1604, 1912, 2005, 2390, 3208, 4010, 4541, 4780, 7619, 8020, 9082, 9560, 15238, 16040, 18164, 22705, 30476, 36328, 38095, 45410, 60952, 76190, 90820, 95839, 152380, 181640, 191678, 304760, 383356, 479195, 766712, 958390, 1820941, 1916780, 3641882, 3833560, 7283764, 9104705, 14567528, 18209410, 36418820, 72837640]

約数ペア:

[(1, 72837640), (2, 36418820), (4, 18209410), (5, 14567528), (8, 9104705), (10, 7283764), (19, 3833560), (20, 3641882), (38, 1916780), (40, 1820941), (76, 958390), (95, 766712), (152, 479195), (190, 383356), (239, 304760), (380, 191678), (401, 181640), (478, 152380), (760, 95839), (802, 90820), (956, 76190), (1195, 60952), (1604, 45410), (1912, 38095), (2005, 36328), (2390, 30476), (3208, 22705), (4010, 18164), (4541, 16040), (4780, 15238), (7619, 9560), (8020, 9082)]