218129120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:649

約数の個数: 144

約数和(自身を含む): 597255120

約数和(自身を除く): 379126000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 160, 176, 190, 209, 220, 242, 304, 352, 380, 418, 440, 484, 593, 605, 608, 760, 836, 880, 968, 1045, 1186, 1210, 1520, 1672, 1760, 1936, 2090, 2299, 2372, 2420, 2965, 3040, 3344, 3872, 4180, 4598, 4744, 4840, 5930, 6523, 6688, 8360, 9196, 9488, 9680, 11267, 11495, 11860, 13046, 16720, 18392, 18976, 19360, 22534, 22990, 23720, 26092, 32615, 33440, 36784, 45068, 45980, 47440, 52184, 56335, 65230, 71753, 73568, 90136, 91960, 94880, 104368, 112670, 123937, 130460, 143506, 180272, 183920, 208736, 225340, 247874, 260920, 287012, 358765, 360544, 367840, 450680, 495748, 521840, 574024, 619685, 717530, 901360, 991496, 1043680, 1148048, 1239370, 1363307, 1435060, 1802720, 1982992, 2296096, 2478740, 2726614, 2870120, 3965984, 4957480, 5453228, 5740240, 6816535, 9914960, 10906456, 11480480, 13633070, 19829920, 21812912, 27266140, 43625824, 54532280, 109064560, 218129120]

約数ペア:

[(1, 218129120), (2, 109064560), (4, 54532280), (5, 43625824), (8, 27266140), (10, 21812912), (11, 19829920), (16, 13633070), (19, 11480480), (20, 10906456), (22, 9914960), (32, 6816535), (38, 5740240), (40, 5453228), (44, 4957480), (55, 3965984), (76, 2870120), (80, 2726614), (88, 2478740), (95, 2296096), (110, 1982992), (121, 1802720), (152, 1435060), (160, 1363307), (176, 1239370), (190, 1148048), (209, 1043680), (220, 991496), (242, 901360), (304, 717530), (352, 619685), (380, 574024), (418, 521840), (440, 495748), (484, 450680), (593, 367840), (605, 360544), (608, 358765), (760, 287012), (836, 260920), (880, 247874), (968, 225340), (1045, 208736), (1186, 183920), (1210, 180272), (1520, 143506), (1672, 130460), (1760, 123937), (1936, 112670), (2090, 104368), (2299, 94880), (2372, 91960), (2420, 90136), (2965, 73568), (3040, 71753), (3344, 65230), (3872, 56335), (4180, 52184), (4598, 47440), (4744, 45980), (4840, 45068), (5930, 36784), (6523, 33440), (6688, 32615), (8360, 26092), (9196, 23720), (9488, 22990), (9680, 22534), (11267, 19360), (11495, 18976), (11860, 18392), (13046, 16720)]