12742240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 35610624

約数和(自身を除く): 22868384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 367, 434, 496, 560, 620, 734, 868, 992, 1085, 1120, 1240, 1468, 1736, 1835, 2170, 2480, 2569, 2936, 3472, 3670, 4340, 4960, 5138, 5872, 6944, 7340, 8680, 10276, 11377, 11744, 12845, 14680, 17360, 20552, 22754, 25690, 29360, 34720, 41104, 45508, 51380, 56885, 58720, 79639, 82208, 91016, 102760, 113770, 159278, 182032, 205520, 227540, 318556, 364064, 398195, 411040, 455080, 637112, 796390, 910160, 1274224, 1592780, 1820320, 2548448, 3185560, 6371120, 12742240]

約数ペア:

[(1, 12742240), (2, 6371120), (4, 3185560), (5, 2548448), (7, 1820320), (8, 1592780), (10, 1274224), (14, 910160), (16, 796390), (20, 637112), (28, 455080), (31, 411040), (32, 398195), (35, 364064), (40, 318556), (56, 227540), (62, 205520), (70, 182032), (80, 159278), (112, 113770), (124, 102760), (140, 91016), (155, 82208), (160, 79639), (217, 58720), (224, 56885), (248, 51380), (280, 45508), (310, 41104), (367, 34720), (434, 29360), (496, 25690), (560, 22754), (620, 20552), (734, 17360), (868, 14680), (992, 12845), (1085, 11744), (1120, 11377), (1240, 10276), (1468, 8680), (1736, 7340), (1835, 6944), (2170, 5872), (2480, 5138), (2569, 4960), (2936, 4340), (3472, 3670)]