281072560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{887}}^1$

素因数の和:1150

約数の個数: 80

約数和(自身を含む): 695687616

約数和(自身を除く): 414615056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 233, 272, 340, 466, 680, 887, 932, 1165, 1360, 1774, 1864, 2330, 3548, 3728, 3961, 4435, 4660, 7096, 7922, 8870, 9320, 14192, 15079, 15844, 17740, 18640, 19805, 30158, 31688, 35480, 39610, 60316, 63376, 70960, 75395, 79220, 120632, 150790, 158440, 206671, 241264, 301580, 316880, 413342, 603160, 826684, 1033355, 1206320, 1653368, 2066710, 3306736, 3513407, 4133420, 7026814, 8266840, 14053628, 16533680, 17567035, 28107256, 35134070, 56214512, 70268140, 140536280, 281072560]

約数ペア:

[(1, 281072560), (2, 140536280), (4, 70268140), (5, 56214512), (8, 35134070), (10, 28107256), (16, 17567035), (17, 16533680), (20, 14053628), (34, 8266840), (40, 7026814), (68, 4133420), (80, 3513407), (85, 3306736), (136, 2066710), (170, 1653368), (233, 1206320), (272, 1033355), (340, 826684), (466, 603160), (680, 413342), (887, 316880), (932, 301580), (1165, 241264), (1360, 206671), (1774, 158440), (1864, 150790), (2330, 120632), (3548, 79220), (3728, 75395), (3961, 70960), (4435, 63376), (4660, 60316), (7096, 39610), (7922, 35480), (8870, 31688), (9320, 30158), (14192, 19805), (15079, 18640), (15844, 17740)]