78786840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3511}}^1$

素因数の和:3553

約数の個数: 128

約数和(自身を含む): 273093120

約数和(自身を除く): 194306280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3511, 3740, 4488, 5610, 7022, 7480, 10533, 11220, 14044, 17555, 21066, 22440, 28088, 35110, 38621, 42132, 52665, 59687, 70220, 77242, 84264, 105330, 115863, 119374, 140440, 154484, 179061, 193105, 210660, 231726, 238748, 298435, 308968, 358122, 386210, 421320, 463452, 477496, 579315, 596870, 656557, 716244, 772420, 895305, 926904, 1158630, 1193740, 1313114, 1432488, 1544840, 1790610, 1969671, 2317260, 2387480, 2626228, 3282785, 3581220, 3939342, 4634520, 5252456, 6565570, 7162440, 7878684, 9848355, 13131140, 15757368, 19696710, 26262280, 39393420, 78786840]

約数ペア:

[(1, 78786840), (2, 39393420), (3, 26262280), (4, 19696710), (5, 15757368), (6, 13131140), (8, 9848355), (10, 7878684), (11, 7162440), (12, 6565570), (15, 5252456), (17, 4634520), (20, 3939342), (22, 3581220), (24, 3282785), (30, 2626228), (33, 2387480), (34, 2317260), (40, 1969671), (44, 1790610), (51, 1544840), (55, 1432488), (60, 1313114), (66, 1193740), (68, 1158630), (85, 926904), (88, 895305), (102, 772420), (110, 716244), (120, 656557), (132, 596870), (136, 579315), (165, 477496), (170, 463452), (187, 421320), (204, 386210), (220, 358122), (255, 308968), (264, 298435), (330, 238748), (340, 231726), (374, 210660), (408, 193105), (440, 179061), (510, 154484), (561, 140440), (660, 119374), (680, 115863), (748, 105330), (935, 84264), (1020, 77242), (1122, 70220), (1320, 59687), (1496, 52665), (1870, 42132), (2040, 38621), (2244, 35110), (2805, 28088), (3511, 22440), (3740, 21066), (4488, 17555), (5610, 14044), (7022, 11220), (7480, 10533)]