161987040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 240

約数和(自身を含む): 592764480

約数和(自身を除く): 430777440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 162, 174, 180, 216, 232, 240, 261, 270, 288, 290, 324, 348, 360, 405, 431, 432, 435, 464, 480, 522, 540, 580, 648, 696, 720, 783, 810, 862, 864, 870, 928, 1044, 1080, 1160, 1293, 1296, 1305, 1392, 1440, 1566, 1620, 1724, 1740, 2088, 2155, 2160, 2320, 2349, 2586, 2592, 2610, 2784, 3132, 3240, 3448, 3480, 3879, 3915, 4176, 4310, 4320, 4640, 4698, 5172, 5220, 6264, 6465, 6480, 6896, 6960, 7758, 7830, 8352, 8620, 9396, 10344, 10440, 11637, 11745, 12499, 12528, 12930, 12960, 13792, 13920, 15516, 15660, 17240, 18792, 19395, 20688, 20880, 23274, 23490, 24998, 25056, 25860, 31032, 31320, 34480, 34911, 37497, 37584, 38790, 41376, 41760, 46548, 46980, 49996, 51720, 58185, 62064, 62495, 62640, 68960, 69822, 74994, 75168, 77580, 93096, 93960, 99992, 103440, 112491, 116370, 124128, 124990, 125280, 139644, 149988, 155160, 174555, 186192, 187485, 187920, 199984, 206880, 224982, 232740, 249980, 279288, 299976, 310320, 337473, 349110, 372384, 374970, 375840, 399968, 449964, 465480, 499960, 558576, 562455, 599952, 620640, 674946, 698220, 749940, 899928, 930960, 999920, 1012419, 1117152, 1124910, 1199904, 1349892, 1396440, 1499880, 1687365, 1799856, 1861920, 1999840, 2024838, 2249820, 2699784, 2792880, 2999760, 3374730, 3599712, 4049676, 4499640, 5062095, 5399568, 5585760, 5999520, 6749460, 8099352, 8999280, 10124190, 10799136, 13498920, 16198704, 17998560, 20248380, 26997840, 32397408, 40496760, 53995680, 80993520, 161987040]

約数ペア:

[(1, 161987040), (2, 80993520), (3, 53995680), (4, 40496760), (5, 32397408), (6, 26997840), (8, 20248380), (9, 17998560), (10, 16198704), (12, 13498920), (15, 10799136), (16, 10124190), (18, 8999280), (20, 8099352), (24, 6749460), (27, 5999520), (29, 5585760), (30, 5399568), (32, 5062095), (36, 4499640), (40, 4049676), (45, 3599712), (48, 3374730), (54, 2999760), (58, 2792880), (60, 2699784), (72, 2249820), (80, 2024838), (81, 1999840), (87, 1861920), (90, 1799856), (96, 1687365), (108, 1499880), (116, 1396440), (120, 1349892), (135, 1199904), (144, 1124910), (145, 1117152), (160, 1012419), (162, 999920), (174, 930960), (180, 899928), (216, 749940), (232, 698220), (240, 674946), (261, 620640), (270, 599952), (288, 562455), (290, 558576), (324, 499960), (348, 465480), (360, 449964), (405, 399968), (431, 375840), (432, 374970), (435, 372384), (464, 349110), (480, 337473), (522, 310320), (540, 299976), (580, 279288), (648, 249980), (696, 232740), (720, 224982), (783, 206880), (810, 199984), (862, 187920), (864, 187485), (870, 186192), (928, 174555), (1044, 155160), (1080, 149988), (1160, 139644), (1293, 125280), (1296, 124990), (1305, 124128), (1392, 116370), (1440, 112491), (1566, 103440), (1620, 99992), (1724, 93960), (1740, 93096), (2088, 77580), (2155, 75168), (2160, 74994), (2320, 69822), (2349, 68960), (2586, 62640), (2592, 62495), (2610, 62064), (2784, 58185), (3132, 51720), (3240, 49996), (3448, 46980), (3480, 46548), (3879, 41760), (3915, 41376), (4176, 38790), (4310, 37584), (4320, 37497), (4640, 34911), (4698, 34480), (5172, 31320), (5220, 31032), (6264, 25860), (6465, 25056), (6480, 24998), (6896, 23490), (6960, 23274), (7758, 20880), (7830, 20688), (8352, 19395), (8620, 18792), (9396, 17240), (10344, 15660), (10440, 15516), (11637, 13920), (11745, 13792), (12499, 12960), (12528, 12930)]