171221680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1467

約数の個数: 120

約数和(自身を含む): 478362240

約数和(自身を除く): 307140560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1409, 1519, 1736, 1960, 2170, 2480, 2818, 3038, 3472, 3920, 4340, 5636, 6076, 7045, 7595, 8680, 9863, 11272, 12152, 14090, 15190, 17360, 19726, 22544, 24304, 28180, 30380, 39452, 43679, 49315, 56360, 60760, 69041, 78904, 87358, 98630, 112720, 121520, 138082, 157808, 174716, 197260, 218395, 276164, 305753, 345205, 349432, 394520, 436790, 552328, 611506, 690410, 698864, 789040, 873580, 1104656, 1223012, 1380820, 1528765, 1747160, 2140271, 2446024, 2761640, 3057530, 3494320, 4280542, 4892048, 5523280, 6115060, 8561084, 10701355, 12230120, 17122168, 21402710, 24460240, 34244336, 42805420, 85610840, 171221680]

約数ペア:

[(1, 171221680), (2, 85610840), (4, 42805420), (5, 34244336), (7, 24460240), (8, 21402710), (10, 17122168), (14, 12230120), (16, 10701355), (20, 8561084), (28, 6115060), (31, 5523280), (35, 4892048), (40, 4280542), (49, 3494320), (56, 3057530), (62, 2761640), (70, 2446024), (80, 2140271), (98, 1747160), (112, 1528765), (124, 1380820), (140, 1223012), (155, 1104656), (196, 873580), (217, 789040), (245, 698864), (248, 690410), (280, 611506), (310, 552328), (392, 436790), (434, 394520), (490, 349432), (496, 345205), (560, 305753), (620, 276164), (784, 218395), (868, 197260), (980, 174716), (1085, 157808), (1240, 138082), (1409, 121520), (1519, 112720), (1736, 98630), (1960, 87358), (2170, 78904), (2480, 69041), (2818, 60760), (3038, 56360), (3472, 49315), (3920, 43679), (4340, 39452), (5636, 30380), (6076, 28180), (7045, 24304), (7595, 22544), (8680, 19726), (9863, 17360), (11272, 15190), (12152, 14090)]