78901290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 160

約数和(自身を含む): 234178560

約数和(自身を除く): 155277270

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 59, 65, 78, 81, 90, 117, 118, 127, 130, 135, 162, 177, 195, 234, 254, 270, 295, 351, 354, 381, 390, 405, 531, 585, 590, 635, 702, 762, 767, 810, 885, 1053, 1062, 1143, 1170, 1270, 1534, 1593, 1651, 1755, 1770, 1905, 2106, 2286, 2301, 2655, 3186, 3302, 3429, 3510, 3810, 3835, 4602, 4779, 4953, 5265, 5310, 5715, 6858, 6903, 7493, 7670, 7965, 8255, 9558, 9906, 10287, 10530, 11430, 11505, 13806, 14859, 14986, 15930, 16510, 17145, 20574, 20709, 22479, 23010, 23895, 24765, 29718, 34290, 34515, 37465, 41418, 44577, 44958, 47790, 49530, 51435, 62127, 67437, 69030, 74295, 74930, 89154, 97409, 102870, 103545, 112395, 124254, 133731, 134874, 148590, 194818, 202311, 207090, 222885, 224790, 267462, 292227, 310635, 337185, 404622, 445770, 487045, 584454, 606933, 621270, 668655, 674370, 876681, 974090, 1011555, 1213866, 1337310, 1461135, 1753362, 2023110, 2630043, 2922270, 3034665, 4383405, 5260086, 6069330, 7890129, 8766810, 13150215, 15780258, 26300430, 39450645, 78901290]

約数ペア:

[(1, 78901290), (2, 39450645), (3, 26300430), (5, 15780258), (6, 13150215), (9, 8766810), (10, 7890129), (13, 6069330), (15, 5260086), (18, 4383405), (26, 3034665), (27, 2922270), (30, 2630043), (39, 2023110), (45, 1753362), (54, 1461135), (59, 1337310), (65, 1213866), (78, 1011555), (81, 974090), (90, 876681), (117, 674370), (118, 668655), (127, 621270), (130, 606933), (135, 584454), (162, 487045), (177, 445770), (195, 404622), (234, 337185), (254, 310635), (270, 292227), (295, 267462), (351, 224790), (354, 222885), (381, 207090), (390, 202311), (405, 194818), (531, 148590), (585, 134874), (590, 133731), (635, 124254), (702, 112395), (762, 103545), (767, 102870), (810, 97409), (885, 89154), (1053, 74930), (1062, 74295), (1143, 69030), (1170, 67437), (1270, 62127), (1534, 51435), (1593, 49530), (1651, 47790), (1755, 44958), (1770, 44577), (1905, 41418), (2106, 37465), (2286, 34515), (2301, 34290), (2655, 29718), (3186, 24765), (3302, 23895), (3429, 23010), (3510, 22479), (3810, 20709), (3835, 20574), (4602, 17145), (4779, 16510), (4953, 15930), (5265, 14986), (5310, 14859), (5715, 13806), (6858, 11505), (6903, 11430), (7493, 10530), (7670, 10287), (7965, 9906), (8255, 9558)]