81757380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2533

約数の個数: 96

約数和(自身を含む): 249379200

約数和(自身を除く): 167621820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 38, 57, 58, 60, 76, 87, 95, 114, 116, 145, 174, 190, 228, 285, 290, 348, 380, 435, 551, 570, 580, 870, 1102, 1140, 1653, 1740, 2204, 2473, 2755, 3306, 4946, 5510, 6612, 7419, 8265, 9892, 11020, 12365, 14838, 16530, 24730, 29676, 33060, 37095, 46987, 49460, 71717, 74190, 93974, 140961, 143434, 148380, 187948, 215151, 234935, 281922, 286868, 358585, 430302, 469870, 563844, 704805, 717170, 860604, 939740, 1075755, 1362623, 1409610, 1434340, 2151510, 2725246, 2819220, 4087869, 4303020, 5450492, 6813115, 8175738, 13626230, 16351476, 20439345, 27252460, 40878690, 81757380]

約数ペア:

[(1, 81757380), (2, 40878690), (3, 27252460), (4, 20439345), (5, 16351476), (6, 13626230), (10, 8175738), (12, 6813115), (15, 5450492), (19, 4303020), (20, 4087869), (29, 2819220), (30, 2725246), (38, 2151510), (57, 1434340), (58, 1409610), (60, 1362623), (76, 1075755), (87, 939740), (95, 860604), (114, 717170), (116, 704805), (145, 563844), (174, 469870), (190, 430302), (228, 358585), (285, 286868), (290, 281922), (348, 234935), (380, 215151), (435, 187948), (551, 148380), (570, 143434), (580, 140961), (870, 93974), (1102, 74190), (1140, 71717), (1653, 49460), (1740, 46987), (2204, 37095), (2473, 33060), (2755, 29676), (3306, 24730), (4946, 16530), (5510, 14838), (6612, 12365), (7419, 11020), (8265, 9892)]