68211720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 160

約数和(自身を含む): 235877400

約数和(自身を除く): 167665680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 270, 296, 324, 333, 360, 370, 405, 444, 540, 555, 569, 648, 666, 740, 810, 888, 999, 1080, 1110, 1138, 1332, 1480, 1620, 1665, 1707, 1998, 2220, 2276, 2664, 2845, 2997, 3240, 3330, 3414, 3996, 4440, 4552, 4995, 5121, 5690, 5994, 6660, 6828, 7992, 8535, 9990, 10242, 11380, 11988, 13320, 13656, 14985, 15363, 17070, 19980, 20484, 21053, 22760, 23976, 25605, 29970, 30726, 34140, 39960, 40968, 42106, 46089, 51210, 59940, 61452, 63159, 68280, 76815, 84212, 92178, 102420, 105265, 119880, 122904, 126318, 153630, 168424, 184356, 189477, 204840, 210530, 230445, 252636, 307260, 315795, 368712, 378954, 421060, 460890, 505272, 568431, 614520, 631590, 757908, 842120, 921780, 947385, 1136862, 1263180, 1515816, 1705293, 1843560, 1894770, 2273724, 2526360, 2842155, 3410586, 3789540, 4547448, 5684310, 6821172, 7579080, 8526465, 11368620, 13642344, 17052930, 22737240, 34105860, 68211720]

約数ペア:

[(1, 68211720), (2, 34105860), (3, 22737240), (4, 17052930), (5, 13642344), (6, 11368620), (8, 8526465), (9, 7579080), (10, 6821172), (12, 5684310), (15, 4547448), (18, 3789540), (20, 3410586), (24, 2842155), (27, 2526360), (30, 2273724), (36, 1894770), (37, 1843560), (40, 1705293), (45, 1515816), (54, 1263180), (60, 1136862), (72, 947385), (74, 921780), (81, 842120), (90, 757908), (108, 631590), (111, 614520), (120, 568431), (135, 505272), (148, 460890), (162, 421060), (180, 378954), (185, 368712), (216, 315795), (222, 307260), (270, 252636), (296, 230445), (324, 210530), (333, 204840), (360, 189477), (370, 184356), (405, 168424), (444, 153630), (540, 126318), (555, 122904), (569, 119880), (648, 105265), (666, 102420), (740, 92178), (810, 84212), (888, 76815), (999, 68280), (1080, 63159), (1110, 61452), (1138, 59940), (1332, 51210), (1480, 46089), (1620, 42106), (1665, 40968), (1707, 39960), (1998, 34140), (2220, 30726), (2276, 29970), (2664, 25605), (2845, 23976), (2997, 22760), (3240, 21053), (3330, 20484), (3414, 19980), (3996, 17070), (4440, 15363), (4552, 14985), (4995, 13656), (5121, 13320), (5690, 11988), (5994, 11380), (6660, 10242), (6828, 9990), (7992, 8535)]