140987256

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 393154560

約数和(自身を除く): 252167304

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 71, 93, 102, 124, 136, 142, 157, 186, 204, 213, 248, 284, 314, 372, 408, 426, 471, 527, 568, 628, 744, 852, 942, 1054, 1207, 1256, 1581, 1704, 1884, 2108, 2201, 2414, 2669, 3162, 3621, 3768, 4216, 4402, 4828, 4867, 5338, 6324, 6603, 7242, 8007, 8804, 9656, 9734, 10676, 11147, 12648, 13206, 14484, 14601, 16014, 17608, 19468, 21352, 22294, 26412, 28968, 29202, 32028, 33441, 37417, 38936, 44588, 52824, 58404, 64056, 66882, 74834, 82739, 89176, 112251, 116808, 133764, 149668, 165478, 189499, 224502, 248217, 267528, 299336, 330956, 345557, 378998, 449004, 496434, 568497, 661912, 691114, 757996, 898008, 992868, 1036671, 1136994, 1382228, 1515992, 1985736, 2073342, 2273988, 2764456, 4146684, 4547976, 5874469, 8293368, 11748938, 17623407, 23497876, 35246814, 46995752, 70493628, 140987256]

約数ペア:

[(1, 140987256), (2, 70493628), (3, 46995752), (4, 35246814), (6, 23497876), (8, 17623407), (12, 11748938), (17, 8293368), (24, 5874469), (31, 4547976), (34, 4146684), (51, 2764456), (62, 2273988), (68, 2073342), (71, 1985736), (93, 1515992), (102, 1382228), (124, 1136994), (136, 1036671), (142, 992868), (157, 898008), (186, 757996), (204, 691114), (213, 661912), (248, 568497), (284, 496434), (314, 449004), (372, 378998), (408, 345557), (426, 330956), (471, 299336), (527, 267528), (568, 248217), (628, 224502), (744, 189499), (852, 165478), (942, 149668), (1054, 133764), (1207, 116808), (1256, 112251), (1581, 89176), (1704, 82739), (1884, 74834), (2108, 66882), (2201, 64056), (2414, 58404), (2669, 52824), (3162, 44588), (3621, 38936), (3768, 37417), (4216, 33441), (4402, 32028), (4828, 29202), (4867, 28968), (5338, 26412), (6324, 22294), (6603, 21352), (7242, 19468), (8007, 17608), (8804, 16014), (9656, 14601), (9734, 14484), (10676, 13206), (11147, 12648)]