161658180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 288

約数和(自身を含む): 557706240

約数和(自身を除く): 396048060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 31, 36, 37, 45, 54, 58, 60, 62, 74, 81, 87, 90, 93, 108, 111, 116, 124, 135, 145, 148, 155, 162, 174, 180, 185, 186, 222, 243, 261, 270, 279, 290, 310, 324, 333, 348, 370, 372, 405, 435, 444, 465, 486, 522, 540, 555, 558, 580, 620, 666, 740, 783, 810, 837, 870, 899, 930, 972, 999, 1044, 1073, 1110, 1116, 1147, 1215, 1305, 1332, 1395, 1566, 1620, 1665, 1674, 1740, 1798, 1860, 1998, 2146, 2220, 2294, 2349, 2430, 2511, 2610, 2697, 2790, 2997, 3132, 3219, 3330, 3348, 3441, 3596, 3915, 3996, 4185, 4292, 4495, 4588, 4698, 4860, 4995, 5022, 5220, 5365, 5394, 5580, 5735, 5994, 6438, 6660, 6882, 7047, 7533, 7830, 8091, 8370, 8990, 8991, 9396, 9657, 9990, 10044, 10323, 10730, 10788, 11470, 11745, 11988, 12555, 12876, 13485, 13764, 14094, 14985, 15066, 15660, 16095, 16182, 16740, 17205, 17980, 17982, 19314, 19980, 20646, 21460, 22940, 23490, 24273, 25110, 26970, 28188, 28971, 29970, 30132, 30969, 32190, 32364, 33263, 34410, 35235, 35964, 37665, 38628, 40455, 41292, 44955, 46980, 48285, 48546, 50220, 51615, 53940, 57942, 59940, 61938, 64380, 66526, 68820, 70470, 72819, 75330, 80910, 86913, 89910, 92907, 96570, 97092, 99789, 103230, 115884, 121365, 123876, 133052, 140940, 144855, 145638, 150660, 154845, 161820, 166315, 173826, 179820, 185814, 193140, 199578, 206460, 218457, 242730, 260739, 278721, 289710, 291276, 299367, 309690, 332630, 347652, 364095, 371628, 399156, 434565, 436914, 464535, 485460, 498945, 521478, 557442, 579420, 598734, 619380, 665260, 728190, 869130, 873828, 898101, 929070, 997890, 1042956, 1092285, 1114884, 1197468, 1303695, 1393605, 1456380, 1496835, 1738260, 1796202, 1858140, 1995780, 2184570, 2607390, 2694303, 2787210, 2993670, 3592404, 4369140, 4490505, 5214780, 5388606, 5574420, 5987340, 8082909, 8981010, 10777212, 13471515, 16165818, 17962020, 26943030, 32331636, 40414545, 53886060, 80829090, 161658180]

約数ペア:

[(1, 161658180), (2, 80829090), (3, 53886060), (4, 40414545), (5, 32331636), (6, 26943030), (9, 17962020), (10, 16165818), (12, 13471515), (15, 10777212), (18, 8981010), (20, 8082909), (27, 5987340), (29, 5574420), (30, 5388606), (31, 5214780), (36, 4490505), (37, 4369140), (45, 3592404), (54, 2993670), (58, 2787210), (60, 2694303), (62, 2607390), (74, 2184570), (81, 1995780), (87, 1858140), (90, 1796202), (93, 1738260), (108, 1496835), (111, 1456380), (116, 1393605), (124, 1303695), (135, 1197468), (145, 1114884), (148, 1092285), (155, 1042956), (162, 997890), (174, 929070), (180, 898101), (185, 873828), (186, 869130), (222, 728190), (243, 665260), (261, 619380), (270, 598734), (279, 579420), (290, 557442), (310, 521478), (324, 498945), (333, 485460), (348, 464535), (370, 436914), (372, 434565), (405, 399156), (435, 371628), (444, 364095), (465, 347652), (486, 332630), (522, 309690), (540, 299367), (555, 291276), (558, 289710), (580, 278721), (620, 260739), (666, 242730), (740, 218457), (783, 206460), (810, 199578), (837, 193140), (870, 185814), (899, 179820), (930, 173826), (972, 166315), (999, 161820), (1044, 154845), (1073, 150660), (1110, 145638), (1116, 144855), (1147, 140940), (1215, 133052), (1305, 123876), (1332, 121365), (1395, 115884), (1566, 103230), (1620, 99789), (1665, 97092), (1674, 96570), (1740, 92907), (1798, 89910), (1860, 86913), (1998, 80910), (2146, 75330), (2220, 72819), (2294, 70470), (2349, 68820), (2430, 66526), (2511, 64380), (2610, 61938), (2697, 59940), (2790, 57942), (2997, 53940), (3132, 51615), (3219, 50220), (3330, 48546), (3348, 48285), (3441, 46980), (3596, 44955), (3915, 41292), (3996, 40455), (4185, 38628), (4292, 37665), (4495, 35964), (4588, 35235), (4698, 34410), (4860, 33263), (4995, 32364), (5022, 32190), (5220, 30969), (5365, 30132), (5394, 29970), (5580, 28971), (5735, 28188), (5994, 26970), (6438, 25110), (6660, 24273), (6882, 23490), (7047, 22940), (7533, 21460), (7830, 20646), (8091, 19980), (8370, 19314), (8990, 17982), (8991, 17980), (9396, 17205), (9657, 16740), (9990, 16182), (10044, 16095), (10323, 15660), (10730, 15066), (10788, 14985), (11470, 14094), (11745, 13764), (11988, 13485), (12555, 12876)]