31709280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2180

約数の個数: 96

約数和(自身を含む): 103154688

約数和(自身を除く): 71445408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2131, 2480, 2976, 3720, 4262, 4960, 6393, 7440, 8524, 10655, 12786, 14880, 17048, 21310, 25572, 31965, 34096, 42620, 51144, 63930, 66061, 68192, 85240, 102288, 127860, 132122, 170480, 198183, 204576, 255720, 264244, 330305, 340960, 396366, 511440, 528488, 660610, 792732, 990915, 1022880, 1056976, 1321220, 1585464, 1981830, 2113952, 2642440, 3170928, 3963660, 5284880, 6341856, 7927320, 10569760, 15854640, 31709280]

約数ペア:

[(1, 31709280), (2, 15854640), (3, 10569760), (4, 7927320), (5, 6341856), (6, 5284880), (8, 3963660), (10, 3170928), (12, 2642440), (15, 2113952), (16, 1981830), (20, 1585464), (24, 1321220), (30, 1056976), (31, 1022880), (32, 990915), (40, 792732), (48, 660610), (60, 528488), (62, 511440), (80, 396366), (93, 340960), (96, 330305), (120, 264244), (124, 255720), (155, 204576), (160, 198183), (186, 170480), (240, 132122), (248, 127860), (310, 102288), (372, 85240), (465, 68192), (480, 66061), (496, 63930), (620, 51144), (744, 42620), (930, 34096), (992, 31965), (1240, 25572), (1488, 21310), (1860, 17048), (2131, 14880), (2480, 12786), (2976, 10655), (3720, 8524), (4262, 7440), (4960, 6393)]