31288680

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 224

約数和(自身を含む): 112141800

約数和(自身を除く): 80853120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 37, 40, 45, 54, 58, 60, 72, 74, 81, 87, 90, 108, 111, 116, 120, 135, 145, 148, 162, 174, 180, 185, 216, 222, 232, 243, 261, 270, 290, 296, 324, 333, 348, 360, 370, 405, 435, 444, 486, 522, 540, 555, 580, 648, 666, 696, 729, 740, 783, 810, 870, 888, 972, 999, 1044, 1073, 1080, 1110, 1160, 1215, 1305, 1332, 1458, 1480, 1566, 1620, 1665, 1740, 1944, 1998, 2088, 2146, 2220, 2349, 2430, 2610, 2664, 2916, 2997, 3132, 3219, 3240, 3330, 3480, 3645, 3915, 3996, 4292, 4440, 4698, 4860, 4995, 5220, 5365, 5832, 5994, 6264, 6438, 6660, 7047, 7290, 7830, 7992, 8584, 8991, 9396, 9657, 9720, 9990, 10440, 10730, 11745, 11988, 12876, 13320, 14094, 14580, 14985, 15660, 16095, 17982, 18792, 19314, 19980, 21141, 21460, 23490, 23976, 25752, 26973, 28188, 28971, 29160, 29970, 31320, 32190, 35235, 35964, 38628, 39960, 42282, 42920, 44955, 46980, 48285, 53946, 56376, 57942, 59940, 64380, 70470, 71928, 77256, 84564, 86913, 89910, 93960, 96570, 105705, 107892, 115884, 119880, 128760, 134865, 140940, 144855, 169128, 173826, 179820, 193140, 211410, 215784, 231768, 260739, 269730, 281880, 289710, 347652, 359640, 386280, 422820, 434565, 521478, 539460, 579420, 695304, 782217, 845640, 869130, 1042956, 1078920, 1158840, 1303695, 1564434, 1738260, 2085912, 2607390, 3128868, 3476520, 3911085, 5214780, 6257736, 7822170, 10429560, 15644340, 31288680]

約数ペア:

[(1, 31288680), (2, 15644340), (3, 10429560), (4, 7822170), (5, 6257736), (6, 5214780), (8, 3911085), (9, 3476520), (10, 3128868), (12, 2607390), (15, 2085912), (18, 1738260), (20, 1564434), (24, 1303695), (27, 1158840), (29, 1078920), (30, 1042956), (36, 869130), (37, 845640), (40, 782217), (45, 695304), (54, 579420), (58, 539460), (60, 521478), (72, 434565), (74, 422820), (81, 386280), (87, 359640), (90, 347652), (108, 289710), (111, 281880), (116, 269730), (120, 260739), (135, 231768), (145, 215784), (148, 211410), (162, 193140), (174, 179820), (180, 173826), (185, 169128), (216, 144855), (222, 140940), (232, 134865), (243, 128760), (261, 119880), (270, 115884), (290, 107892), (296, 105705), (324, 96570), (333, 93960), (348, 89910), (360, 86913), (370, 84564), (405, 77256), (435, 71928), (444, 70470), (486, 64380), (522, 59940), (540, 57942), (555, 56376), (580, 53946), (648, 48285), (666, 46980), (696, 44955), (729, 42920), (740, 42282), (783, 39960), (810, 38628), (870, 35964), (888, 35235), (972, 32190), (999, 31320), (1044, 29970), (1073, 29160), (1080, 28971), (1110, 28188), (1160, 26973), (1215, 25752), (1305, 23976), (1332, 23490), (1458, 21460), (1480, 21141), (1566, 19980), (1620, 19314), (1665, 18792), (1740, 17982), (1944, 16095), (1998, 15660), (2088, 14985), (2146, 14580), (2220, 14094), (2349, 13320), (2430, 12876), (2610, 11988), (2664, 11745), (2916, 10730), (2997, 10440), (3132, 9990), (3219, 9720), (3240, 9657), (3330, 9396), (3480, 8991), (3645, 8584), (3915, 7992), (3996, 7830), (4292, 7290), (4440, 7047), (4698, 6660), (4860, 6438), (4995, 6264), (5220, 5994), (5365, 5832)]