291211121080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1231}}^1\times {\mathrm{1321}}^1$

素因数の和:2622

約数の個数: 192

約数和(自身を含む): 740832301440

約数和(自身を除く): 449621180360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 121, 148, 185, 220, 242, 296, 370, 407, 440, 484, 605, 740, 814, 968, 1210, 1231, 1321, 1480, 1628, 2035, 2420, 2462, 2642, 3256, 4070, 4477, 4840, 4924, 5284, 6155, 6605, 8140, 8954, 9848, 10568, 12310, 13210, 13541, 14531, 16280, 17908, 22385, 24620, 26420, 27082, 29062, 35816, 44770, 45547, 48877, 49240, 52840, 54164, 58124, 67705, 72655, 89540, 91094, 97754, 108328, 116248, 135410, 145310, 148951, 159841, 179080, 182188, 195508, 227735, 244385, 270820, 290620, 297902, 319682, 364376, 391016, 455470, 488770, 501017, 537647, 541640, 581240, 595804, 639364, 744755, 799205, 910940, 977540, 1002034, 1075294, 1191608, 1278728, 1489510, 1598410, 1626151, 1821880, 1955080, 2004068, 2150588, 2505085, 2688235, 2979020, 3196820, 3252302, 4008136, 4301176, 5010170, 5376470, 5511187, 5914117, 5958040, 6393640, 6504604, 8130755, 10020340, 10752940, 11022374, 11828234, 13009208, 16261510, 17887661, 20040680, 21505880, 22044748, 23656468, 27555935, 29570585, 32523020, 35775322, 44089496, 47312936, 55111870, 59141170, 60167587, 65046040, 71550644, 89438305, 110223740, 118282340, 120335174, 143101288, 178876610, 196764271, 220447480, 236564680, 240670348, 300837935, 357753220, 393528542, 481340696, 601675870, 661843457, 715506440, 787057084, 983821355, 1203351740, 1323686914, 1574114168, 1967642710, 2406703480, 2647373828, 3309217285, 3935285420, 5294747656, 6618434570, 7280278027, 7870570840, 13236869140, 14560556054, 26473738280, 29121112108, 36401390135, 58242224216, 72802780270, 145605560540, 291211121080]

約数ペア:

[(1, 291211121080), (2, 145605560540), (4, 72802780270), (5, 58242224216), (8, 36401390135), (10, 29121112108), (11, 26473738280), (20, 14560556054), (22, 13236869140), (37, 7870570840), (40, 7280278027), (44, 6618434570), (55, 5294747656), (74, 3935285420), (88, 3309217285), (110, 2647373828), (121, 2406703480), (148, 1967642710), (185, 1574114168), (220, 1323686914), (242, 1203351740), (296, 983821355), (370, 787057084), (407, 715506440), (440, 661843457), (484, 601675870), (605, 481340696), (740, 393528542), (814, 357753220), (968, 300837935), (1210, 240670348), (1231, 236564680), (1321, 220447480), (1480, 196764271), (1628, 178876610), (2035, 143101288), (2420, 120335174), (2462, 118282340), (2642, 110223740), (3256, 89438305), (4070, 71550644), (4477, 65046040), (4840, 60167587), (4924, 59141170), (5284, 55111870), (6155, 47312936), (6605, 44089496), (8140, 35775322), (8954, 32523020), (9848, 29570585), (10568, 27555935), (12310, 23656468), (13210, 22044748), (13541, 21505880), (14531, 20040680), (16280, 17887661), (17908, 16261510), (22385, 13009208), (24620, 11828234), (26420, 11022374), (27082, 10752940), (29062, 10020340), (35816, 8130755), (44770, 6504604), (45547, 6393640), (48877, 5958040), (49240, 5914117), (52840, 5511187), (54164, 5376470), (58124, 5010170), (67705, 4301176), (72655, 4008136), (89540, 3252302), (91094, 3196820), (97754, 2979020), (108328, 2688235), (116248, 2505085), (135410, 2150588), (145310, 2004068), (148951, 1955080), (159841, 1821880), (179080, 1626151), (182188, 1598410), (195508, 1489510), (227735, 1278728), (244385, 1191608), (270820, 1075294), (290620, 1002034), (297902, 977540), (319682, 910940), (364376, 799205), (391016, 744755), (455470, 639364), (488770, 595804), (501017, 581240), (537647, 541640)]