328639680

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 280

約数和(自身を含む): 1209690240

約数和(自身を除く): 881050560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 324, 360, 372, 405, 409, 432, 465, 480, 496, 540, 558, 576, 620, 648, 720, 744, 810, 818, 837, 864, 930, 960, 992, 1080, 1116, 1227, 1240, 1296, 1395, 1440, 1488, 1620, 1636, 1674, 1728, 1860, 1984, 2045, 2160, 2232, 2454, 2480, 2511, 2592, 2790, 2880, 2976, 3240, 3272, 3348, 3681, 3720, 4090, 4185, 4320, 4464, 4908, 4960, 5022, 5184, 5580, 5952, 6135, 6480, 6544, 6696, 7362, 7440, 8180, 8370, 8640, 8928, 9816, 9920, 10044, 11043, 11160, 12270, 12555, 12679, 12960, 13088, 13392, 14724, 14880, 16360, 16740, 17856, 18405, 19632, 20088, 22086, 22320, 24540, 25110, 25358, 25920, 26176, 26784, 29448, 29760, 32720, 33129, 33480, 36810, 38037, 39264, 40176, 44172, 44640, 49080, 50220, 50716, 53568, 55215, 58896, 63395, 65440, 66258, 66960, 73620, 76074, 78528, 80352, 88344, 89280, 98160, 100440, 101432, 110430, 114111, 117792, 126790, 130880, 132516, 133920, 147240, 152148, 160704, 165645, 176688, 190185, 196320, 200880, 202864, 220860, 228222, 235584, 253580, 265032, 267840, 294480, 304296, 331290, 342333, 353376, 380370, 392640, 401760, 405728, 441720, 456444, 507160, 530064, 570555, 588960, 608592, 662580, 684666, 706752, 760740, 803520, 811456, 883440, 912888, 1014320, 1026999, 1060128, 1141110, 1177920, 1217184, 1325160, 1369332, 1521480, 1711665, 1766880, 1825776, 2028640, 2053998, 2120256, 2282220, 2434368, 2650320, 2738664, 3042960, 3423330, 3533760, 3651552, 4057280, 4107996, 4564440, 5134995, 5300640, 5477328, 6085920, 6846660, 7303104, 8215992, 9128880, 10269990, 10601280, 10954656, 12171840, 13693320, 16431984, 18257760, 20539980, 21909312, 27386640, 32863968, 36515520, 41079960, 54773280, 65727936, 82159920, 109546560, 164319840, 328639680]

約数ペア:

[(1, 328639680), (2, 164319840), (3, 109546560), (4, 82159920), (5, 65727936), (6, 54773280), (8, 41079960), (9, 36515520), (10, 32863968), (12, 27386640), (15, 21909312), (16, 20539980), (18, 18257760), (20, 16431984), (24, 13693320), (27, 12171840), (30, 10954656), (31, 10601280), (32, 10269990), (36, 9128880), (40, 8215992), (45, 7303104), (48, 6846660), (54, 6085920), (60, 5477328), (62, 5300640), (64, 5134995), (72, 4564440), (80, 4107996), (81, 4057280), (90, 3651552), (93, 3533760), (96, 3423330), (108, 3042960), (120, 2738664), (124, 2650320), (135, 2434368), (144, 2282220), (155, 2120256), (160, 2053998), (162, 2028640), (180, 1825776), (186, 1766880), (192, 1711665), (216, 1521480), (240, 1369332), (248, 1325160), (270, 1217184), (279, 1177920), (288, 1141110), (310, 1060128), (320, 1026999), (324, 1014320), (360, 912888), (372, 883440), (405, 811456), (409, 803520), (432, 760740), (465, 706752), (480, 684666), (496, 662580), (540, 608592), (558, 588960), (576, 570555), (620, 530064), (648, 507160), (720, 456444), (744, 441720), (810, 405728), (818, 401760), (837, 392640), (864, 380370), (930, 353376), (960, 342333), (992, 331290), (1080, 304296), (1116, 294480), (1227, 267840), (1240, 265032), (1296, 253580), (1395, 235584), (1440, 228222), (1488, 220860), (1620, 202864), (1636, 200880), (1674, 196320), (1728, 190185), (1860, 176688), (1984, 165645), (2045, 160704), (2160, 152148), (2232, 147240), (2454, 133920), (2480, 132516), (2511, 130880), (2592, 126790), (2790, 117792), (2880, 114111), (2976, 110430), (3240, 101432), (3272, 100440), (3348, 98160), (3681, 89280), (3720, 88344), (4090, 80352), (4185, 78528), (4320, 76074), (4464, 73620), (4908, 66960), (4960, 66258), (5022, 65440), (5184, 63395), (5580, 58896), (5952, 55215), (6135, 53568), (6480, 50716), (6544, 50220), (6696, 49080), (7362, 44640), (7440, 44172), (8180, 40176), (8370, 39264), (8640, 38037), (8928, 36810), (9816, 33480), (9920, 33129), (10044, 32720), (11043, 29760), (11160, 29448), (12270, 26784), (12555, 26176), (12679, 25920), (12960, 25358), (13088, 25110), (13392, 24540), (14724, 22320), (14880, 22086), (16360, 20088), (16740, 19632), (17856, 18405)]