81113880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3539}}^1$

素因数の和:3744

約数の個数: 64

約数和(自身を含む): 244684800

約数和(自身を除く): 163570920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 955, 1146, 1528, 1910, 2292, 2865, 3539, 3820, 4584, 5730, 7078, 7640, 10617, 11460, 14156, 17695, 21234, 22920, 28312, 35390, 42468, 53085, 70780, 84936, 106170, 141560, 212340, 424680, 675949, 1351898, 2027847, 2703796, 3379745, 4055694, 5407592, 6759490, 8111388, 10139235, 13518980, 16222776, 20278470, 27037960, 40556940, 81113880]

約数ペア:

[(1, 81113880), (2, 40556940), (3, 27037960), (4, 20278470), (5, 16222776), (6, 13518980), (8, 10139235), (10, 8111388), (12, 6759490), (15, 5407592), (20, 4055694), (24, 3379745), (30, 2703796), (40, 2027847), (60, 1351898), (120, 675949), (191, 424680), (382, 212340), (573, 141560), (764, 106170), (955, 84936), (1146, 70780), (1528, 53085), (1910, 42468), (2292, 35390), (2865, 28312), (3539, 22920), (3820, 21234), (4584, 17695), (5730, 14156), (7078, 11460), (7640, 10617)]