28461810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 81285120

約数和(自身を除く): 52823310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 23, 26, 30, 38, 39, 46, 57, 65, 69, 78, 95, 114, 115, 130, 138, 167, 190, 195, 230, 247, 285, 299, 334, 345, 390, 437, 494, 501, 570, 598, 690, 741, 835, 874, 897, 1002, 1235, 1311, 1482, 1495, 1670, 1794, 2171, 2185, 2470, 2505, 2622, 2990, 3173, 3705, 3841, 4342, 4370, 4485, 5010, 5681, 6346, 6513, 6555, 7410, 7682, 8970, 9519, 10855, 11362, 11523, 13026, 13110, 15865, 17043, 19038, 19205, 21710, 23046, 28405, 31730, 32565, 34086, 38410, 41249, 47595, 49933, 56810, 57615, 65130, 72979, 82498, 85215, 95190, 99866, 115230, 123747, 145958, 149799, 170430, 206245, 218937, 247494, 249665, 299598, 364895, 412490, 437874, 499330, 618735, 729790, 748995, 948727, 1094685, 1237470, 1497990, 1897454, 2189370, 2846181, 4743635, 5692362, 9487270, 14230905, 28461810]

約数ペア:

[(1, 28461810), (2, 14230905), (3, 9487270), (5, 5692362), (6, 4743635), (10, 2846181), (13, 2189370), (15, 1897454), (19, 1497990), (23, 1237470), (26, 1094685), (30, 948727), (38, 748995), (39, 729790), (46, 618735), (57, 499330), (65, 437874), (69, 412490), (78, 364895), (95, 299598), (114, 249665), (115, 247494), (130, 218937), (138, 206245), (167, 170430), (190, 149799), (195, 145958), (230, 123747), (247, 115230), (285, 99866), (299, 95190), (334, 85215), (345, 82498), (390, 72979), (437, 65130), (494, 57615), (501, 56810), (570, 49933), (598, 47595), (690, 41249), (741, 38410), (835, 34086), (874, 32565), (897, 31730), (1002, 28405), (1235, 23046), (1311, 21710), (1482, 19205), (1495, 19038), (1670, 17043), (1794, 15865), (2171, 13110), (2185, 13026), (2470, 11523), (2505, 11362), (2622, 10855), (2990, 9519), (3173, 8970), (3705, 7682), (3841, 7410), (4342, 6555), (4370, 6513), (4485, 6346), (5010, 5681)]