72340520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 126725080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 47, 56, 70, 92, 94, 115, 140, 161, 184, 188, 230, 235, 239, 280, 322, 329, 376, 460, 470, 478, 644, 658, 805, 920, 940, 956, 1081, 1195, 1288, 1316, 1610, 1645, 1673, 1880, 1912, 2162, 2390, 2632, 3220, 3290, 3346, 4324, 4780, 5405, 5497, 6440, 6580, 6692, 7567, 8365, 8648, 9560, 10810, 10994, 11233, 13160, 13384, 15134, 16730, 21620, 21988, 22466, 27485, 30268, 33460, 37835, 38479, 43240, 43976, 44932, 54970, 56165, 60536, 66920, 75670, 76958, 78631, 89864, 109940, 112330, 151340, 153916, 157262, 192395, 219880, 224660, 258359, 302680, 307832, 314524, 384790, 393155, 449320, 516718, 629048, 769580, 786310, 1033436, 1291795, 1539160, 1572620, 1808513, 2066872, 2583590, 3145240, 3617026, 5167180, 7234052, 9042565, 10334360, 14468104, 18085130, 36170260, 72340520]

約数ペア:

[(1, 72340520), (2, 36170260), (4, 18085130), (5, 14468104), (7, 10334360), (8, 9042565), (10, 7234052), (14, 5167180), (20, 3617026), (23, 3145240), (28, 2583590), (35, 2066872), (40, 1808513), (46, 1572620), (47, 1539160), (56, 1291795), (70, 1033436), (92, 786310), (94, 769580), (115, 629048), (140, 516718), (161, 449320), (184, 393155), (188, 384790), (230, 314524), (235, 307832), (239, 302680), (280, 258359), (322, 224660), (329, 219880), (376, 192395), (460, 157262), (470, 153916), (478, 151340), (644, 112330), (658, 109940), (805, 89864), (920, 78631), (940, 76958), (956, 75670), (1081, 66920), (1195, 60536), (1288, 56165), (1316, 54970), (1610, 44932), (1645, 43976), (1673, 43240), (1880, 38479), (1912, 37835), (2162, 33460), (2390, 30268), (2632, 27485), (3220, 22466), (3290, 21988), (3346, 21620), (4324, 16730), (4780, 15134), (5405, 13384), (5497, 13160), (6440, 11233), (6580, 10994), (6692, 10810), (7567, 9560), (8365, 8648)]