128463840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:382

約数の個数: 192

約数和(自身を含む): 455051520

約数和(自身を除く): 326587680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 131, 135, 144, 160, 180, 216, 227, 240, 262, 270, 288, 360, 393, 432, 454, 480, 524, 540, 655, 681, 720, 786, 864, 908, 1048, 1080, 1135, 1179, 1310, 1362, 1440, 1572, 1816, 1965, 2043, 2096, 2160, 2270, 2358, 2620, 2724, 3144, 3405, 3537, 3632, 3930, 4086, 4192, 4320, 4540, 4716, 5240, 5448, 5895, 6129, 6288, 6810, 7074, 7264, 7860, 8172, 9080, 9432, 10215, 10480, 10896, 11790, 12258, 12576, 13620, 14148, 15720, 16344, 17685, 18160, 18864, 20430, 20960, 21792, 23580, 24516, 27240, 28296, 29737, 30645, 31440, 32688, 35370, 36320, 37728, 40860, 47160, 49032, 54480, 56592, 59474, 61290, 62880, 65376, 70740, 81720, 89211, 94320, 98064, 108960, 113184, 118948, 122580, 141480, 148685, 163440, 178422, 188640, 196128, 237896, 245160, 267633, 282960, 297370, 326880, 356844, 446055, 475792, 490320, 535266, 565920, 594740, 713688, 802899, 892110, 951584, 980640, 1070532, 1189480, 1338165, 1427376, 1605798, 1784220, 2141064, 2378960, 2676330, 2854752, 3211596, 3568440, 4014495, 4282128, 4757920, 5352660, 6423192, 7136880, 8028990, 8564256, 10705320, 12846384, 14273760, 16057980, 21410640, 25692768, 32115960, 42821280, 64231920, 128463840]

約数ペア:

[(1, 128463840), (2, 64231920), (3, 42821280), (4, 32115960), (5, 25692768), (6, 21410640), (8, 16057980), (9, 14273760), (10, 12846384), (12, 10705320), (15, 8564256), (16, 8028990), (18, 7136880), (20, 6423192), (24, 5352660), (27, 4757920), (30, 4282128), (32, 4014495), (36, 3568440), (40, 3211596), (45, 2854752), (48, 2676330), (54, 2378960), (60, 2141064), (72, 1784220), (80, 1605798), (90, 1427376), (96, 1338165), (108, 1189480), (120, 1070532), (131, 980640), (135, 951584), (144, 892110), (160, 802899), (180, 713688), (216, 594740), (227, 565920), (240, 535266), (262, 490320), (270, 475792), (288, 446055), (360, 356844), (393, 326880), (432, 297370), (454, 282960), (480, 267633), (524, 245160), (540, 237896), (655, 196128), (681, 188640), (720, 178422), (786, 163440), (864, 148685), (908, 141480), (1048, 122580), (1080, 118948), (1135, 113184), (1179, 108960), (1310, 98064), (1362, 94320), (1440, 89211), (1572, 81720), (1816, 70740), (1965, 65376), (2043, 62880), (2096, 61290), (2160, 59474), (2270, 56592), (2358, 54480), (2620, 49032), (2724, 47160), (3144, 40860), (3405, 37728), (3537, 36320), (3632, 35370), (3930, 32688), (4086, 31440), (4192, 30645), (4320, 29737), (4540, 28296), (4716, 27240), (5240, 24516), (5448, 23580), (5895, 21792), (6129, 20960), (6288, 20430), (6810, 18864), (7074, 18160), (7264, 17685), (7860, 16344), (8172, 15720), (9080, 14148), (9432, 13620), (10215, 12576), (10480, 12258), (10896, 11790)]