158972940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 554299200

約数和(自身を除く): 395326260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 281, 315, 420, 449, 562, 630, 843, 898, 1124, 1260, 1347, 1405, 1686, 1796, 1967, 2245, 2529, 2694, 2810, 3143, 3372, 3934, 4041, 4215, 4490, 5058, 5388, 5620, 5901, 6286, 6735, 7868, 8082, 8430, 8980, 9429, 9835, 10116, 11802, 12572, 12645, 13470, 15715, 16164, 16860, 17703, 18858, 19670, 20205, 23604, 25290, 26940, 28287, 29505, 31430, 35406, 37716, 39340, 40410, 47145, 50580, 56574, 59010, 62860, 70812, 80820, 88515, 94290, 113148, 118020, 126169, 141435, 177030, 188580, 252338, 282870, 354060, 378507, 504676, 565740, 630845, 757014, 883183, 1135521, 1261690, 1514028, 1766366, 1892535, 2271042, 2523380, 2649549, 3532732, 3785070, 4415915, 4542084, 5299098, 5677605, 7570140, 7948647, 8831830, 10598196, 11355210, 13247745, 15897294, 17663660, 22710420, 26495490, 31794588, 39743235, 52990980, 79486470, 158972940]

約数ペア:

[(1, 158972940), (2, 79486470), (3, 52990980), (4, 39743235), (5, 31794588), (6, 26495490), (7, 22710420), (9, 17663660), (10, 15897294), (12, 13247745), (14, 11355210), (15, 10598196), (18, 8831830), (20, 7948647), (21, 7570140), (28, 5677605), (30, 5299098), (35, 4542084), (36, 4415915), (42, 3785070), (45, 3532732), (60, 2649549), (63, 2523380), (70, 2271042), (84, 1892535), (90, 1766366), (105, 1514028), (126, 1261690), (140, 1135521), (180, 883183), (210, 757014), (252, 630845), (281, 565740), (315, 504676), (420, 378507), (449, 354060), (562, 282870), (630, 252338), (843, 188580), (898, 177030), (1124, 141435), (1260, 126169), (1347, 118020), (1405, 113148), (1686, 94290), (1796, 88515), (1967, 80820), (2245, 70812), (2529, 62860), (2694, 59010), (2810, 56574), (3143, 50580), (3372, 47145), (3934, 40410), (4041, 39340), (4215, 37716), (4490, 35406), (5058, 31430), (5388, 29505), (5620, 28287), (5901, 26940), (6286, 25290), (6735, 23604), (7868, 20205), (8082, 19670), (8430, 18858), (8980, 17703), (9429, 16860), (9835, 16164), (10116, 15715), (11802, 13470), (12572, 12645)]