64720020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{593}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 193995648

約数和(自身を除く): 129275628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 107, 170, 204, 214, 255, 321, 340, 428, 510, 535, 593, 642, 1020, 1070, 1186, 1284, 1605, 1779, 1819, 2140, 2372, 2965, 3210, 3558, 3638, 5457, 5930, 6420, 7116, 7276, 8895, 9095, 10081, 10914, 11860, 17790, 18190, 20162, 21828, 27285, 30243, 35580, 36380, 40324, 50405, 54570, 60486, 63451, 100810, 109140, 120972, 126902, 151215, 190353, 201620, 253804, 302430, 317255, 380706, 604860, 634510, 761412, 951765, 1078667, 1269020, 1903530, 2157334, 3236001, 3807060, 4314668, 5393335, 6472002, 10786670, 12944004, 16180005, 21573340, 32360010, 64720020]

約数ペア:

[(1, 64720020), (2, 32360010), (3, 21573340), (4, 16180005), (5, 12944004), (6, 10786670), (10, 6472002), (12, 5393335), (15, 4314668), (17, 3807060), (20, 3236001), (30, 2157334), (34, 1903530), (51, 1269020), (60, 1078667), (68, 951765), (85, 761412), (102, 634510), (107, 604860), (170, 380706), (204, 317255), (214, 302430), (255, 253804), (321, 201620), (340, 190353), (428, 151215), (510, 126902), (535, 120972), (593, 109140), (642, 100810), (1020, 63451), (1070, 60486), (1186, 54570), (1284, 50405), (1605, 40324), (1779, 36380), (1819, 35580), (2140, 30243), (2372, 27285), (2965, 21828), (3210, 20162), (3558, 18190), (3638, 17790), (5457, 11860), (5930, 10914), (6420, 10081), (7116, 9095), (7276, 8895)]