28236810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 82114560

約数和(自身を除く): 53877750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 53, 59, 70, 86, 105, 106, 118, 129, 159, 177, 210, 215, 258, 265, 295, 301, 318, 354, 371, 413, 430, 530, 590, 602, 645, 742, 795, 826, 885, 903, 1113, 1239, 1290, 1505, 1590, 1770, 1806, 1855, 2065, 2226, 2279, 2478, 2537, 3010, 3127, 3710, 4130, 4515, 4558, 5074, 5565, 6195, 6254, 6837, 7611, 9030, 9381, 11130, 11395, 12390, 12685, 13674, 15222, 15635, 15953, 17759, 18762, 21889, 22790, 25370, 31270, 31906, 34185, 35518, 38055, 43778, 46905, 47859, 53277, 65667, 68370, 76110, 79765, 88795, 93810, 95718, 106554, 109445, 131334, 134461, 159530, 177590, 218890, 239295, 266385, 268922, 328335, 403383, 478590, 532770, 656670, 672305, 806766, 941227, 1344610, 1882454, 2016915, 2823681, 4033830, 4706135, 5647362, 9412270, 14118405, 28236810]

約数ペア:

[(1, 28236810), (2, 14118405), (3, 9412270), (5, 5647362), (6, 4706135), (7, 4033830), (10, 2823681), (14, 2016915), (15, 1882454), (21, 1344610), (30, 941227), (35, 806766), (42, 672305), (43, 656670), (53, 532770), (59, 478590), (70, 403383), (86, 328335), (105, 268922), (106, 266385), (118, 239295), (129, 218890), (159, 177590), (177, 159530), (210, 134461), (215, 131334), (258, 109445), (265, 106554), (295, 95718), (301, 93810), (318, 88795), (354, 79765), (371, 76110), (413, 68370), (430, 65667), (530, 53277), (590, 47859), (602, 46905), (645, 43778), (742, 38055), (795, 35518), (826, 34185), (885, 31906), (903, 31270), (1113, 25370), (1239, 22790), (1290, 21889), (1505, 18762), (1590, 17759), (1770, 15953), (1806, 15635), (1855, 15222), (2065, 13674), (2226, 12685), (2279, 12390), (2478, 11395), (2537, 11130), (3010, 9381), (3127, 9030), (3710, 7611), (4130, 6837), (4515, 6254), (4558, 6195), (5074, 5565)]