16390980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2277

約数の個数: 72

約数和(自身を含む): 50954904

約数和(自身を除く): 34563924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2221, 2460, 3690, 4442, 6663, 7380, 8884, 11105, 13326, 19989, 22210, 26652, 33315, 39978, 44420, 66630, 79956, 91061, 99945, 133260, 182122, 199890, 273183, 364244, 399780, 455305, 546366, 819549, 910610, 1092732, 1365915, 1639098, 1821220, 2731830, 3278196, 4097745, 5463660, 8195490, 16390980]

約数ペア:

[(1, 16390980), (2, 8195490), (3, 5463660), (4, 4097745), (5, 3278196), (6, 2731830), (9, 1821220), (10, 1639098), (12, 1365915), (15, 1092732), (18, 910610), (20, 819549), (30, 546366), (36, 455305), (41, 399780), (45, 364244), (60, 273183), (82, 199890), (90, 182122), (123, 133260), (164, 99945), (180, 91061), (205, 79956), (246, 66630), (369, 44420), (410, 39978), (492, 33315), (615, 26652), (738, 22210), (820, 19989), (1230, 13326), (1476, 11105), (1845, 8884), (2221, 7380), (2460, 6663), (3690, 4442)]