30175740

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{887}}^1$

素因数の和:918

約数の個数: 144

約数和(自身を含む): 108605952

約数和(自身を除く): 78430212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 887, 945, 972, 1134, 1215, 1260, 1620, 1701, 1774, 1890, 2268, 2430, 2661, 2835, 3402, 3548, 3780, 4435, 4860, 5322, 5670, 6209, 6804, 7983, 8505, 8870, 10644, 11340, 12418, 13305, 15966, 17010, 17740, 18627, 23949, 24836, 26610, 31045, 31932, 34020, 37254, 39915, 47898, 53220, 55881, 62090, 71847, 74508, 79830, 93135, 95796, 111762, 119745, 124180, 143694, 159660, 167643, 186270, 215541, 223524, 239490, 279405, 287388, 335286, 359235, 372540, 431082, 478980, 502929, 558810, 670572, 718470, 838215, 862164, 1005858, 1077705, 1117620, 1436940, 1508787, 1676430, 2011716, 2155410, 2514645, 3017574, 3352860, 4310820, 5029290, 6035148, 7543935, 10058580, 15087870, 30175740]

約数ペア:

[(1, 30175740), (2, 15087870), (3, 10058580), (4, 7543935), (5, 6035148), (6, 5029290), (7, 4310820), (9, 3352860), (10, 3017574), (12, 2514645), (14, 2155410), (15, 2011716), (18, 1676430), (20, 1508787), (21, 1436940), (27, 1117620), (28, 1077705), (30, 1005858), (35, 862164), (36, 838215), (42, 718470), (45, 670572), (54, 558810), (60, 502929), (63, 478980), (70, 431082), (81, 372540), (84, 359235), (90, 335286), (105, 287388), (108, 279405), (126, 239490), (135, 223524), (140, 215541), (162, 186270), (180, 167643), (189, 159660), (210, 143694), (243, 124180), (252, 119745), (270, 111762), (315, 95796), (324, 93135), (378, 79830), (405, 74508), (420, 71847), (486, 62090), (540, 55881), (567, 53220), (630, 47898), (756, 39915), (810, 37254), (887, 34020), (945, 31932), (972, 31045), (1134, 26610), (1215, 24836), (1260, 23949), (1620, 18627), (1701, 17740), (1774, 17010), (1890, 15966), (2268, 13305), (2430, 12418), (2661, 11340), (2835, 10644), (3402, 8870), (3548, 8505), (3780, 7983), (4435, 6804), (4860, 6209), (5322, 5670)]