21827760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{883}}^1$

素因数の和:1002

約数の個数: 80

約数和(自身を含む): 68400384

約数和(自身を除く): 46572624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 883, 1030, 1236, 1545, 1648, 1766, 2060, 2472, 2649, 3090, 3532, 4120, 4415, 4944, 5298, 6180, 7064, 8240, 8830, 10596, 12360, 13245, 14128, 17660, 21192, 24720, 26490, 35320, 42384, 52980, 70640, 90949, 105960, 181898, 211920, 272847, 363796, 454745, 545694, 727592, 909490, 1091388, 1364235, 1455184, 1818980, 2182776, 2728470, 3637960, 4365552, 5456940, 7275920, 10913880, 21827760]

約数ペア:

[(1, 21827760), (2, 10913880), (3, 7275920), (4, 5456940), (5, 4365552), (6, 3637960), (8, 2728470), (10, 2182776), (12, 1818980), (15, 1455184), (16, 1364235), (20, 1091388), (24, 909490), (30, 727592), (40, 545694), (48, 454745), (60, 363796), (80, 272847), (103, 211920), (120, 181898), (206, 105960), (240, 90949), (309, 70640), (412, 52980), (515, 42384), (618, 35320), (824, 26490), (883, 24720), (1030, 21192), (1236, 17660), (1545, 14128), (1648, 13245), (1766, 12360), (2060, 10596), (2472, 8830), (2649, 8240), (3090, 7064), (3532, 6180), (4120, 5298), (4415, 4944)]