28645200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 180

約数和(自身を含む): 101693020

約数和(自身を除く): 73047820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 73, 75, 80, 90, 100, 109, 120, 144, 146, 150, 180, 200, 218, 219, 225, 240, 292, 300, 327, 360, 365, 400, 436, 438, 450, 545, 584, 600, 654, 657, 720, 730, 872, 876, 900, 981, 1090, 1095, 1168, 1200, 1308, 1314, 1460, 1635, 1744, 1752, 1800, 1825, 1962, 2180, 2190, 2616, 2628, 2725, 2920, 3270, 3285, 3504, 3600, 3650, 3924, 4360, 4380, 4905, 5232, 5256, 5450, 5475, 5840, 6540, 6570, 7300, 7848, 7957, 8175, 8720, 8760, 9810, 10512, 10900, 10950, 13080, 13140, 14600, 15696, 15914, 16350, 16425, 17520, 19620, 21800, 21900, 23871, 24525, 26160, 26280, 29200, 31828, 32700, 32850, 39240, 39785, 43600, 43800, 47742, 49050, 52560, 63656, 65400, 65700, 71613, 78480, 79570, 87600, 95484, 98100, 119355, 127312, 130800, 131400, 143226, 159140, 190968, 196200, 198925, 238710, 262800, 286452, 318280, 358065, 381936, 392400, 397850, 477420, 572904, 596775, 636560, 716130, 795700, 954840, 1145808, 1193550, 1432260, 1591400, 1790325, 1909680, 2387100, 2864520, 3182800, 3580650, 4774200, 5729040, 7161300, 9548400, 14322600, 28645200]

約数ペア:

[(1, 28645200), (2, 14322600), (3, 9548400), (4, 7161300), (5, 5729040), (6, 4774200), (8, 3580650), (9, 3182800), (10, 2864520), (12, 2387100), (15, 1909680), (16, 1790325), (18, 1591400), (20, 1432260), (24, 1193550), (25, 1145808), (30, 954840), (36, 795700), (40, 716130), (45, 636560), (48, 596775), (50, 572904), (60, 477420), (72, 397850), (73, 392400), (75, 381936), (80, 358065), (90, 318280), (100, 286452), (109, 262800), (120, 238710), (144, 198925), (146, 196200), (150, 190968), (180, 159140), (200, 143226), (218, 131400), (219, 130800), (225, 127312), (240, 119355), (292, 98100), (300, 95484), (327, 87600), (360, 79570), (365, 78480), (400, 71613), (436, 65700), (438, 65400), (450, 63656), (545, 52560), (584, 49050), (600, 47742), (654, 43800), (657, 43600), (720, 39785), (730, 39240), (872, 32850), (876, 32700), (900, 31828), (981, 29200), (1090, 26280), (1095, 26160), (1168, 24525), (1200, 23871), (1308, 21900), (1314, 21800), (1460, 19620), (1635, 17520), (1744, 16425), (1752, 16350), (1800, 15914), (1825, 15696), (1962, 14600), (2180, 13140), (2190, 13080), (2616, 10950), (2628, 10900), (2725, 10512), (2920, 9810), (3270, 8760), (3285, 8720), (3504, 8175), (3600, 7957), (3650, 7848), (3924, 7300), (4360, 6570), (4380, 6540), (4905, 5840), (5232, 5475), (5256, 5450)]