251011680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1861}}^1$

素因数の和:2160

約数の個数: 96

約数和(自身を含む): 793927008

約数和(自身を除く): 542915328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 281, 480, 562, 843, 1124, 1405, 1686, 1861, 2248, 2810, 3372, 3722, 4215, 4496, 5583, 5620, 6744, 7444, 8430, 8992, 9305, 11166, 11240, 13488, 14888, 16860, 18610, 22332, 22480, 26976, 27915, 29776, 33720, 37220, 44664, 44960, 55830, 59552, 67440, 74440, 89328, 111660, 134880, 148880, 178656, 223320, 297760, 446640, 522941, 893280, 1045882, 1568823, 2091764, 2614705, 3137646, 4183528, 5229410, 6275292, 7844115, 8367056, 10458820, 12550584, 15688230, 16734112, 20917640, 25101168, 31376460, 41835280, 50202336, 62752920, 83670560, 125505840, 251011680]

約数ペア:

[(1, 251011680), (2, 125505840), (3, 83670560), (4, 62752920), (5, 50202336), (6, 41835280), (8, 31376460), (10, 25101168), (12, 20917640), (15, 16734112), (16, 15688230), (20, 12550584), (24, 10458820), (30, 8367056), (32, 7844115), (40, 6275292), (48, 5229410), (60, 4183528), (80, 3137646), (96, 2614705), (120, 2091764), (160, 1568823), (240, 1045882), (281, 893280), (480, 522941), (562, 446640), (843, 297760), (1124, 223320), (1405, 178656), (1686, 148880), (1861, 134880), (2248, 111660), (2810, 89328), (3372, 74440), (3722, 67440), (4215, 59552), (4496, 55830), (5583, 44960), (5620, 44664), (6744, 37220), (7444, 33720), (8430, 29776), (8992, 27915), (9305, 26976), (11166, 22480), (11240, 22332), (13488, 18610), (14888, 16860)]