320468940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53951}}^1$

素因数の和:53980

約数の個数: 96

約数和(自身を含む): 1087672320

約数和(自身を除く): 767203380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 5940, 53951, 107902, 161853, 215804, 269755, 323706, 485559, 539510, 593461, 647412, 809265, 971118, 1079020, 1186922, 1456677, 1618530, 1780383, 1942236, 2373844, 2427795, 2913354, 2967305, 3237060, 3560766, 4855590, 5341149, 5826708, 5934610, 7121532, 7283385, 8901915, 9711180, 10682298, 11869220, 14566770, 16023447, 17803830, 21364596, 26705745, 29133540, 32046894, 35607660, 53411490, 64093788, 80117235, 106822980, 160234470, 320468940]

約数ペア:

[(1, 320468940), (2, 160234470), (3, 106822980), (4, 80117235), (5, 64093788), (6, 53411490), (9, 35607660), (10, 32046894), (11, 29133540), (12, 26705745), (15, 21364596), (18, 17803830), (20, 16023447), (22, 14566770), (27, 11869220), (30, 10682298), (33, 9711180), (36, 8901915), (44, 7283385), (45, 7121532), (54, 5934610), (55, 5826708), (60, 5341149), (66, 4855590), (90, 3560766), (99, 3237060), (108, 2967305), (110, 2913354), (132, 2427795), (135, 2373844), (165, 1942236), (180, 1780383), (198, 1618530), (220, 1456677), (270, 1186922), (297, 1079020), (330, 971118), (396, 809265), (495, 647412), (540, 593461), (594, 539510), (660, 485559), (990, 323706), (1188, 269755), (1485, 215804), (1980, 161853), (2970, 107902), (5940, 53951)]