267887120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1144

約数の個数: 80

約数和(自身を含む): 649482240

約数和(自身を除く): 381595120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 109, 124, 155, 218, 248, 310, 436, 496, 545, 620, 872, 991, 1090, 1240, 1744, 1982, 2180, 2480, 3379, 3964, 4360, 4955, 6758, 7928, 8720, 9910, 13516, 15856, 16895, 19820, 27032, 30721, 33790, 39640, 54064, 61442, 67580, 79280, 108019, 122884, 135160, 153605, 216038, 245768, 270320, 307210, 432076, 491536, 540095, 614420, 864152, 1080190, 1228840, 1728304, 2160380, 2457680, 3348589, 4320760, 6697178, 8641520, 13394356, 16742945, 26788712, 33485890, 53577424, 66971780, 133943560, 267887120]

約数ペア:

[(1, 267887120), (2, 133943560), (4, 66971780), (5, 53577424), (8, 33485890), (10, 26788712), (16, 16742945), (20, 13394356), (31, 8641520), (40, 6697178), (62, 4320760), (80, 3348589), (109, 2457680), (124, 2160380), (155, 1728304), (218, 1228840), (248, 1080190), (310, 864152), (436, 614420), (496, 540095), (545, 491536), (620, 432076), (872, 307210), (991, 270320), (1090, 245768), (1240, 216038), (1744, 153605), (1982, 135160), (2180, 122884), (2480, 108019), (3379, 79280), (3964, 67580), (4360, 61442), (4955, 54064), (6758, 39640), (7928, 33790), (8720, 30721), (9910, 27032), (13516, 19820), (15856, 16895)]