11787440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 33247872

約数和(自身を除く): 21460432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 97, 98, 112, 124, 140, 155, 194, 196, 217, 245, 248, 280, 310, 388, 392, 434, 485, 490, 496, 560, 620, 679, 776, 784, 868, 970, 980, 1085, 1240, 1358, 1519, 1552, 1736, 1940, 1960, 2170, 2480, 2716, 3007, 3038, 3395, 3472, 3880, 3920, 4340, 4753, 5432, 6014, 6076, 6790, 7595, 7760, 8680, 9506, 10864, 12028, 12152, 13580, 15035, 15190, 17360, 19012, 21049, 23765, 24056, 24304, 27160, 30070, 30380, 38024, 42098, 47530, 48112, 54320, 60140, 60760, 76048, 84196, 95060, 105245, 120280, 121520, 147343, 168392, 190120, 210490, 240560, 294686, 336784, 380240, 420980, 589372, 736715, 841960, 1178744, 1473430, 1683920, 2357488, 2946860, 5893720, 11787440]

約数ペア:

[(1, 11787440), (2, 5893720), (4, 2946860), (5, 2357488), (7, 1683920), (8, 1473430), (10, 1178744), (14, 841960), (16, 736715), (20, 589372), (28, 420980), (31, 380240), (35, 336784), (40, 294686), (49, 240560), (56, 210490), (62, 190120), (70, 168392), (80, 147343), (97, 121520), (98, 120280), (112, 105245), (124, 95060), (140, 84196), (155, 76048), (194, 60760), (196, 60140), (217, 54320), (245, 48112), (248, 47530), (280, 42098), (310, 38024), (388, 30380), (392, 30070), (434, 27160), (485, 24304), (490, 24056), (496, 23765), (560, 21049), (620, 19012), (679, 17360), (776, 15190), (784, 15035), (868, 13580), (970, 12152), (980, 12028), (1085, 10864), (1240, 9506), (1358, 8680), (1519, 7760), (1552, 7595), (1736, 6790), (1940, 6076), (1960, 6014), (2170, 5432), (2480, 4753), (2716, 4340), (3007, 3920), (3038, 3880), (3395, 3472)]