128005200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:123

約数の個数: 270

約数和(自身を含む): 471410862

約数和(自身を除く): 343405662

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 36, 37, 40, 45, 48, 50, 60, 62, 72, 74, 75, 80, 90, 93, 100, 111, 120, 124, 144, 148, 150, 155, 180, 185, 186, 200, 222, 225, 240, 248, 279, 296, 300, 310, 333, 360, 370, 372, 400, 444, 450, 465, 496, 555, 558, 592, 600, 620, 666, 720, 740, 744, 775, 888, 900, 925, 930, 961, 1110, 1116, 1147, 1200, 1240, 1332, 1395, 1480, 1488, 1550, 1665, 1776, 1800, 1850, 1860, 1922, 2220, 2232, 2294, 2325, 2480, 2664, 2775, 2790, 2883, 2960, 3100, 3330, 3441, 3600, 3700, 3720, 3844, 4440, 4464, 4588, 4650, 4805, 5328, 5550, 5580, 5735, 5766, 6200, 6660, 6882, 6975, 7400, 7440, 7688, 8325, 8649, 8880, 9176, 9300, 9610, 10323, 11100, 11160, 11470, 11532, 12400, 13320, 13764, 13950, 14415, 14800, 15376, 16650, 17205, 17298, 18352, 18600, 19220, 20646, 22200, 22320, 22940, 23064, 24025, 26640, 27528, 27900, 28675, 28830, 33300, 34410, 34596, 35557, 37200, 38440, 41292, 43245, 44400, 45880, 46128, 48050, 51615, 55056, 55800, 57350, 57660, 66600, 68820, 69192, 71114, 72075, 76880, 82584, 86025, 86490, 91760, 96100, 103230, 106671, 111600, 114700, 115320, 133200, 137640, 138384, 142228, 144150, 165168, 172050, 172980, 177785, 192200, 206460, 213342, 216225, 229400, 230640, 258075, 275280, 284456, 288300, 320013, 344100, 345960, 355570, 384400, 412920, 426684, 432450, 458800, 516150, 533355, 568912, 576600, 640026, 688200, 691920, 711140, 825840, 853368, 864900, 888925, 1032300, 1066710, 1153200, 1280052, 1376400, 1422280, 1600065, 1706736, 1729800, 1777850, 2064600, 2133420, 2560104, 2666775, 2844560, 3200130, 3459600, 3555700, 4129200, 4266840, 5120208, 5333550, 6400260, 7111400, 8000325, 8533680, 10667100, 12800520, 14222800, 16000650, 21334200, 25601040, 32001300, 42668400, 64002600, 128005200]

約数ペア:

[(1, 128005200), (2, 64002600), (3, 42668400), (4, 32001300), (5, 25601040), (6, 21334200), (8, 16000650), (9, 14222800), (10, 12800520), (12, 10667100), (15, 8533680), (16, 8000325), (18, 7111400), (20, 6400260), (24, 5333550), (25, 5120208), (30, 4266840), (31, 4129200), (36, 3555700), (37, 3459600), (40, 3200130), (45, 2844560), (48, 2666775), (50, 2560104), (60, 2133420), (62, 2064600), (72, 1777850), (74, 1729800), (75, 1706736), (80, 1600065), (90, 1422280), (93, 1376400), (100, 1280052), (111, 1153200), (120, 1066710), (124, 1032300), (144, 888925), (148, 864900), (150, 853368), (155, 825840), (180, 711140), (185, 691920), (186, 688200), (200, 640026), (222, 576600), (225, 568912), (240, 533355), (248, 516150), (279, 458800), (296, 432450), (300, 426684), (310, 412920), (333, 384400), (360, 355570), (370, 345960), (372, 344100), (400, 320013), (444, 288300), (450, 284456), (465, 275280), (496, 258075), (555, 230640), (558, 229400), (592, 216225), (600, 213342), (620, 206460), (666, 192200), (720, 177785), (740, 172980), (744, 172050), (775, 165168), (888, 144150), (900, 142228), (925, 138384), (930, 137640), (961, 133200), (1110, 115320), (1116, 114700), (1147, 111600), (1200, 106671), (1240, 103230), (1332, 96100), (1395, 91760), (1480, 86490), (1488, 86025), (1550, 82584), (1665, 76880), (1776, 72075), (1800, 71114), (1850, 69192), (1860, 68820), (1922, 66600), (2220, 57660), (2232, 57350), (2294, 55800), (2325, 55056), (2480, 51615), (2664, 48050), (2775, 46128), (2790, 45880), (2883, 44400), (2960, 43245), (3100, 41292), (3330, 38440), (3441, 37200), (3600, 35557), (3700, 34596), (3720, 34410), (3844, 33300), (4440, 28830), (4464, 28675), (4588, 27900), (4650, 27528), (4805, 26640), (5328, 24025), (5550, 23064), (5580, 22940), (5735, 22320), (5766, 22200), (6200, 20646), (6660, 19220), (6882, 18600), (6975, 18352), (7400, 17298), (7440, 17205), (7688, 16650), (8325, 15376), (8649, 14800), (8880, 14415), (9176, 13950), (9300, 13764), (9610, 13320), (10323, 12400), (11100, 11532), (11160, 11470)]