280110160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1523}}^1$

素因数の和:1577

約数の個数: 120

約数和(自身を含む): 754014240

約数和(自身を除く): 473904080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 176, 190, 209, 220, 242, 304, 380, 418, 440, 484, 605, 760, 836, 880, 968, 1045, 1210, 1520, 1523, 1672, 1936, 2090, 2299, 2420, 3046, 3344, 4180, 4598, 4840, 6092, 7615, 8360, 9196, 9680, 11495, 12184, 15230, 16720, 16753, 18392, 22990, 24368, 28937, 30460, 33506, 36784, 45980, 57874, 60920, 67012, 83765, 91960, 115748, 121840, 134024, 144685, 167530, 183920, 184283, 231496, 268048, 289370, 318307, 335060, 368566, 462992, 578740, 636614, 670120, 737132, 921415, 1157480, 1273228, 1340240, 1474264, 1591535, 1842830, 2314960, 2546456, 2948528, 3183070, 3501377, 3685660, 5092912, 6366140, 7002754, 7371320, 12732280, 14005508, 14742640, 17506885, 25464560, 28011016, 35013770, 56022032, 70027540, 140055080, 280110160]

約数ペア:

[(1, 280110160), (2, 140055080), (4, 70027540), (5, 56022032), (8, 35013770), (10, 28011016), (11, 25464560), (16, 17506885), (19, 14742640), (20, 14005508), (22, 12732280), (38, 7371320), (40, 7002754), (44, 6366140), (55, 5092912), (76, 3685660), (80, 3501377), (88, 3183070), (95, 2948528), (110, 2546456), (121, 2314960), (152, 1842830), (176, 1591535), (190, 1474264), (209, 1340240), (220, 1273228), (242, 1157480), (304, 921415), (380, 737132), (418, 670120), (440, 636614), (484, 578740), (605, 462992), (760, 368566), (836, 335060), (880, 318307), (968, 289370), (1045, 268048), (1210, 231496), (1520, 184283), (1523, 183920), (1672, 167530), (1936, 144685), (2090, 134024), (2299, 121840), (2420, 115748), (3046, 91960), (3344, 83765), (4180, 67012), (4598, 60920), (4840, 57874), (6092, 45980), (7615, 36784), (8360, 33506), (9196, 30460), (9680, 28937), (11495, 24368), (12184, 22990), (15230, 18392), (16720, 16753)]