30739380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73189}}^1$

素因数の和:73208

約数の個数: 48

約数和(自身を含む): 98367360

約数和(自身を除く): 67627980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73189, 146378, 219567, 292756, 365945, 439134, 512323, 731890, 878268, 1024646, 1097835, 1463780, 1536969, 2049292, 2195670, 2561615, 3073938, 4391340, 5123230, 6147876, 7684845, 10246460, 15369690, 30739380]

約数ペア:

[(1, 30739380), (2, 15369690), (3, 10246460), (4, 7684845), (5, 6147876), (6, 5123230), (7, 4391340), (10, 3073938), (12, 2561615), (14, 2195670), (15, 2049292), (20, 1536969), (21, 1463780), (28, 1097835), (30, 1024646), (35, 878268), (42, 731890), (60, 512323), (70, 439134), (84, 365945), (105, 292756), (140, 219567), (210, 146378), (420, 73189)]