15551830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 34007040

約数和(自身を除く): 18455210

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 47, 58, 70, 94, 145, 163, 203, 235, 290, 326, 329, 406, 470, 658, 815, 1015, 1141, 1363, 1630, 1645, 2030, 2282, 2726, 3290, 4727, 5705, 6815, 7661, 9454, 9541, 11410, 13630, 15322, 19082, 23635, 33089, 38305, 47270, 47705, 53627, 66178, 76610, 95410, 107254, 165445, 222169, 268135, 330890, 444338, 536270, 1110845, 1555183, 2221690, 3110366, 7775915, 15551830]

約数ペア:

[(1, 15551830), (2, 7775915), (5, 3110366), (7, 2221690), (10, 1555183), (14, 1110845), (29, 536270), (35, 444338), (47, 330890), (58, 268135), (70, 222169), (94, 165445), (145, 107254), (163, 95410), (203, 76610), (235, 66178), (290, 53627), (326, 47705), (329, 47270), (406, 38305), (470, 33089), (658, 23635), (815, 19082), (1015, 15322), (1141, 13630), (1363, 11410), (1630, 9541), (1645, 9454), (2030, 7661), (2282, 6815), (2726, 5705), (3290, 4727)]