138971760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18679}}^1$

素因数の和:18726

約数の個数: 80

約数和(自身を含む): 444733440

約数和(自身を除く): 305761680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 18679, 37358, 56037, 74716, 93395, 112074, 149432, 186790, 224148, 280185, 298864, 373580, 448296, 560370, 579049, 747160, 896592, 1120740, 1158098, 1494320, 1737147, 2241480, 2316196, 2895245, 3474294, 4482960, 4632392, 5790490, 6948588, 8685735, 9264784, 11580980, 13897176, 17371470, 23161960, 27794352, 34742940, 46323920, 69485880, 138971760]

約数ペア:

[(1, 138971760), (2, 69485880), (3, 46323920), (4, 34742940), (5, 27794352), (6, 23161960), (8, 17371470), (10, 13897176), (12, 11580980), (15, 9264784), (16, 8685735), (20, 6948588), (24, 5790490), (30, 4632392), (31, 4482960), (40, 3474294), (48, 2895245), (60, 2316196), (62, 2241480), (80, 1737147), (93, 1494320), (120, 1158098), (124, 1120740), (155, 896592), (186, 747160), (240, 579049), (248, 560370), (310, 448296), (372, 373580), (465, 298864), (496, 280185), (620, 224148), (744, 186790), (930, 149432), (1240, 112074), (1488, 93395), (1860, 74716), (2480, 56037), (3720, 37358), (7440, 18679)]