86157680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:767

約数の個数: 120

約数和(自身を含む): 240877440

約数和(自身を除く): 154719760

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, 709, 784, 868, 980, 1085, 1240, 1418, 1519, 1736, 1960, 2170, 2480, 2836, 3038, 3472, 3545, 3920, 4340, 4963, 5672, 6076, 7090, 7595, 8680, 9926, 11344, 12152, 14180, 15190, 17360, 19852, 21979, 24304, 24815, 28360, 30380, 34741, 39704, 43958, 49630, 56720, 60760, 69482, 79408, 87916, 99260, 109895, 121520, 138964, 153853, 173705, 175832, 198520, 219790, 277928, 307706, 347410, 351664, 397040, 439580, 555856, 615412, 694820, 769265, 879160, 1076971, 1230824, 1389640, 1538530, 1758320, 2153942, 2461648, 2779280, 3077060, 4307884, 5384855, 6154120, 8615768, 10769710, 12308240, 17231536, 21539420, 43078840, 86157680]

約数ペア:

[(1, 86157680), (2, 43078840), (4, 21539420), (5, 17231536), (7, 12308240), (8, 10769710), (10, 8615768), (14, 6154120), (16, 5384855), (20, 4307884), (28, 3077060), (31, 2779280), (35, 2461648), (40, 2153942), (49, 1758320), (56, 1538530), (62, 1389640), (70, 1230824), (80, 1076971), (98, 879160), (112, 769265), (124, 694820), (140, 615412), (155, 555856), (196, 439580), (217, 397040), (245, 351664), (248, 347410), (280, 307706), (310, 277928), (392, 219790), (434, 198520), (490, 175832), (496, 173705), (560, 153853), (620, 138964), (709, 121520), (784, 109895), (868, 99260), (980, 87916), (1085, 79408), (1240, 69482), (1418, 60760), (1519, 56720), (1736, 49630), (1960, 43958), (2170, 39704), (2480, 34741), (2836, 30380), (3038, 28360), (3472, 24815), (3545, 24304), (3920, 21979), (4340, 19852), (4963, 17360), (5672, 15190), (6076, 14180), (7090, 12152), (7595, 11344), (8680, 9926)]