28663320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34123}}^1$

素因数の和:34144

約数の個数: 64

約数和(自身を含む): 98277120

約数和(自身を除く): 69613800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 34123, 68246, 102369, 136492, 170615, 204738, 238861, 272984, 341230, 409476, 477722, 511845, 682460, 716583, 818952, 955444, 1023690, 1194305, 1364920, 1433166, 1910888, 2047380, 2388610, 2866332, 3582915, 4094760, 4777220, 5732664, 7165830, 9554440, 14331660, 28663320]

約数ペア:

[(1, 28663320), (2, 14331660), (3, 9554440), (4, 7165830), (5, 5732664), (6, 4777220), (7, 4094760), (8, 3582915), (10, 2866332), (12, 2388610), (14, 2047380), (15, 1910888), (20, 1433166), (21, 1364920), (24, 1194305), (28, 1023690), (30, 955444), (35, 818952), (40, 716583), (42, 682460), (56, 511845), (60, 477722), (70, 409476), (84, 341230), (105, 272984), (120, 238861), (140, 204738), (168, 170615), (210, 136492), (280, 102369), (420, 68246), (840, 34123)]