15943920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2190

約数の個数: 80

約数和(自身を含む): 51044352

約数和(自身を除く): 35100432

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, 2143, 2480, 3720, 4286, 6429, 7440, 8572, 10715, 12858, 17144, 21430, 25716, 32145, 34288, 42860, 51432, 64290, 66433, 85720, 102864, 128580, 132866, 171440, 199299, 257160, 265732, 332165, 398598, 514320, 531464, 664330, 797196, 996495, 1062928, 1328660, 1594392, 1992990, 2657320, 3188784, 3985980, 5314640, 7971960, 15943920]

約数ペア:

[(1, 15943920), (2, 7971960), (3, 5314640), (4, 3985980), (5, 3188784), (6, 2657320), (8, 1992990), (10, 1594392), (12, 1328660), (15, 1062928), (16, 996495), (20, 797196), (24, 664330), (30, 531464), (31, 514320), (40, 398598), (48, 332165), (60, 265732), (62, 257160), (80, 199299), (93, 171440), (120, 132866), (124, 128580), (155, 102864), (186, 85720), (240, 66433), (248, 64290), (310, 51432), (372, 42860), (465, 34288), (496, 32145), (620, 25716), (744, 21430), (930, 17144), (1240, 12858), (1488, 10715), (1860, 8572), (2143, 7440), (2480, 6429), (3720, 4286)]