128472480

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 240

約数和(自身を含む): 474211584

約数和(自身を除く): 345739104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 207, 216, 230, 240, 270, 276, 288, 324, 345, 360, 368, 405, 414, 431, 432, 460, 480, 540, 552, 621, 648, 690, 720, 736, 810, 828, 862, 864, 920, 1035, 1080, 1104, 1242, 1293, 1296, 1380, 1440, 1620, 1656, 1724, 1840, 1863, 2070, 2155, 2160, 2208, 2484, 2586, 2592, 2760, 3105, 3240, 3312, 3448, 3680, 3726, 3879, 4140, 4310, 4320, 4968, 5172, 5520, 6210, 6465, 6480, 6624, 6896, 7452, 7758, 8280, 8620, 9315, 9913, 9936, 10344, 11040, 11637, 12420, 12930, 12960, 13792, 14904, 15516, 16560, 17240, 18630, 19395, 19826, 19872, 20688, 23274, 24840, 25860, 29739, 29808, 31032, 33120, 34480, 34911, 37260, 38790, 39652, 41376, 46548, 49565, 49680, 51720, 58185, 59478, 59616, 62064, 68960, 69822, 74520, 77580, 79304, 89217, 93096, 99130, 99360, 103440, 116370, 118956, 124128, 139644, 148695, 149040, 155160, 158608, 174555, 178434, 186192, 198260, 206880, 232740, 237912, 267651, 279288, 297390, 298080, 310320, 317216, 349110, 356868, 372384, 396520, 446085, 465480, 475824, 535302, 558576, 594780, 620640, 698220, 713736, 793040, 802953, 892170, 930960, 951648, 1070604, 1117152, 1189560, 1338255, 1396440, 1427472, 1586080, 1605906, 1784340, 1861920, 2141208, 2379120, 2676510, 2792880, 2854944, 3211812, 3568680, 4014765, 4282416, 4758240, 5353020, 5585760, 6423624, 7137360, 8029530, 8564832, 10706040, 12847248, 14274720, 16059060, 21412080, 25694496, 32118120, 42824160, 64236240, 128472480]

約数ペア:

[(1, 128472480), (2, 64236240), (3, 42824160), (4, 32118120), (5, 25694496), (6, 21412080), (8, 16059060), (9, 14274720), (10, 12847248), (12, 10706040), (15, 8564832), (16, 8029530), (18, 7137360), (20, 6423624), (23, 5585760), (24, 5353020), (27, 4758240), (30, 4282416), (32, 4014765), (36, 3568680), (40, 3211812), (45, 2854944), (46, 2792880), (48, 2676510), (54, 2379120), (60, 2141208), (69, 1861920), (72, 1784340), (80, 1605906), (81, 1586080), (90, 1427472), (92, 1396440), (96, 1338255), (108, 1189560), (115, 1117152), (120, 1070604), (135, 951648), (138, 930960), (144, 892170), (160, 802953), (162, 793040), (180, 713736), (184, 698220), (207, 620640), (216, 594780), (230, 558576), (240, 535302), (270, 475824), (276, 465480), (288, 446085), (324, 396520), (345, 372384), (360, 356868), (368, 349110), (405, 317216), (414, 310320), (431, 298080), (432, 297390), (460, 279288), (480, 267651), (540, 237912), (552, 232740), (621, 206880), (648, 198260), (690, 186192), (720, 178434), (736, 174555), (810, 158608), (828, 155160), (862, 149040), (864, 148695), (920, 139644), (1035, 124128), (1080, 118956), (1104, 116370), (1242, 103440), (1293, 99360), (1296, 99130), (1380, 93096), (1440, 89217), (1620, 79304), (1656, 77580), (1724, 74520), (1840, 69822), (1863, 68960), (2070, 62064), (2155, 59616), (2160, 59478), (2208, 58185), (2484, 51720), (2586, 49680), (2592, 49565), (2760, 46548), (3105, 41376), (3240, 39652), (3312, 38790), (3448, 37260), (3680, 34911), (3726, 34480), (3879, 33120), (4140, 31032), (4310, 29808), (4320, 29739), (4968, 25860), (5172, 24840), (5520, 23274), (6210, 20688), (6465, 19872), (6480, 19826), (6624, 19395), (6896, 18630), (7452, 17240), (7758, 16560), (8280, 15516), (8620, 14904), (9315, 13792), (9913, 12960), (9936, 12930), (10344, 12420), (11040, 11637)]