845680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:86

約数の個数: 60

約数和(自身を含む): 2216376

約数和(自身を除く): 1370696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 961, 1240, 1364, 1705, 1922, 2480, 2728, 3410, 3844, 4805, 5456, 6820, 7688, 9610, 10571, 13640, 15376, 19220, 21142, 27280, 38440, 42284, 52855, 76880, 84568, 105710, 169136, 211420, 422840, 845680]

約数ペア:

[(1, 845680), (2, 422840), (4, 211420), (5, 169136), (8, 105710), (10, 84568), (11, 76880), (16, 52855), (20, 42284), (22, 38440), (31, 27280), (40, 21142), (44, 19220), (55, 15376), (62, 13640), (80, 10571), (88, 9610), (110, 7688), (124, 6820), (155, 5456), (176, 4805), (220, 3844), (248, 3410), (310, 2728), (341, 2480), (440, 1922), (496, 1705), (620, 1364), (682, 1240), (880, 961)]