16990920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 55855800

約数和(自身を除く): 38864880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 433, 436, 545, 654, 866, 872, 981, 1090, 1299, 1308, 1635, 1732, 1962, 2165, 2180, 2598, 2616, 3270, 3464, 3897, 3924, 4330, 4360, 4905, 5196, 6495, 6540, 7794, 7848, 8660, 9810, 10392, 12990, 13080, 15588, 17320, 19485, 19620, 25980, 31176, 38970, 39240, 47197, 51960, 77940, 94394, 141591, 155880, 188788, 235985, 283182, 377576, 424773, 471970, 566364, 707955, 849546, 943940, 1132728, 1415910, 1699092, 1887880, 2123865, 2831820, 3398184, 4247730, 5663640, 8495460, 16990920]

約数ペア:

[(1, 16990920), (2, 8495460), (3, 5663640), (4, 4247730), (5, 3398184), (6, 2831820), (8, 2123865), (9, 1887880), (10, 1699092), (12, 1415910), (15, 1132728), (18, 943940), (20, 849546), (24, 707955), (30, 566364), (36, 471970), (40, 424773), (45, 377576), (60, 283182), (72, 235985), (90, 188788), (109, 155880), (120, 141591), (180, 94394), (218, 77940), (327, 51960), (360, 47197), (433, 39240), (436, 38970), (545, 31176), (654, 25980), (866, 19620), (872, 19485), (981, 17320), (1090, 15588), (1299, 13080), (1308, 12990), (1635, 10392), (1732, 9810), (1962, 8660), (2165, 7848), (2180, 7794), (2598, 6540), (2616, 6495), (3270, 5196), (3464, 4905), (3897, 4360), (3924, 4330)]