51202080

素因数分解:

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

素因数の和:120

約数の個数: 216

約数和(自身を含む): 185424876

約数和(自身を除く): 134222796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 37, 40, 45, 48, 60, 62, 72, 74, 80, 90, 93, 96, 111, 120, 124, 144, 148, 155, 160, 180, 185, 186, 222, 240, 248, 279, 288, 296, 310, 333, 360, 370, 372, 444, 465, 480, 496, 555, 558, 592, 620, 666, 720, 740, 744, 888, 930, 961, 992, 1110, 1116, 1147, 1184, 1240, 1332, 1395, 1440, 1480, 1488, 1665, 1776, 1860, 1922, 2220, 2232, 2294, 2480, 2664, 2790, 2883, 2960, 2976, 3330, 3441, 3552, 3720, 3844, 4440, 4464, 4588, 4805, 4960, 5328, 5580, 5735, 5766, 5920, 6660, 6882, 7440, 7688, 8649, 8880, 8928, 9176, 9610, 10323, 10656, 11160, 11470, 11532, 13320, 13764, 14415, 14880, 15376, 17205, 17298, 17760, 18352, 19220, 20646, 22320, 22940, 23064, 26640, 27528, 28830, 30752, 34410, 34596, 35557, 36704, 38440, 41292, 43245, 44640, 45880, 46128, 51615, 53280, 55056, 57660, 68820, 69192, 71114, 76880, 82584, 86490, 91760, 92256, 103230, 106671, 110112, 115320, 137640, 138384, 142228, 153760, 165168, 172980, 177785, 183520, 206460, 213342, 230640, 275280, 276768, 284456, 320013, 330336, 345960, 355570, 412920, 426684, 461280, 533355, 550560, 568912, 640026, 691920, 711140, 825840, 853368, 1066710, 1137824, 1280052, 1383840, 1422280, 1600065, 1651680, 1706736, 2133420, 2560104, 2844560, 3200130, 3413472, 4266840, 5120208, 5689120, 6400260, 8533680, 10240416, 12800520, 17067360, 25601040, 51202080]

約数ペア:

[(1, 51202080), (2, 25601040), (3, 17067360), (4, 12800520), (5, 10240416), (6, 8533680), (8, 6400260), (9, 5689120), (10, 5120208), (12, 4266840), (15, 3413472), (16, 3200130), (18, 2844560), (20, 2560104), (24, 2133420), (30, 1706736), (31, 1651680), (32, 1600065), (36, 1422280), (37, 1383840), (40, 1280052), (45, 1137824), (48, 1066710), (60, 853368), (62, 825840), (72, 711140), (74, 691920), (80, 640026), (90, 568912), (93, 550560), (96, 533355), (111, 461280), (120, 426684), (124, 412920), (144, 355570), (148, 345960), (155, 330336), (160, 320013), (180, 284456), (185, 276768), (186, 275280), (222, 230640), (240, 213342), (248, 206460), (279, 183520), (288, 177785), (296, 172980), (310, 165168), (333, 153760), (360, 142228), (370, 138384), (372, 137640), (444, 115320), (465, 110112), (480, 106671), (496, 103230), (555, 92256), (558, 91760), (592, 86490), (620, 82584), (666, 76880), (720, 71114), (740, 69192), (744, 68820), (888, 57660), (930, 55056), (961, 53280), (992, 51615), (1110, 46128), (1116, 45880), (1147, 44640), (1184, 43245), (1240, 41292), (1332, 38440), (1395, 36704), (1440, 35557), (1480, 34596), (1488, 34410), (1665, 30752), (1776, 28830), (1860, 27528), (1922, 26640), (2220, 23064), (2232, 22940), (2294, 22320), (2480, 20646), (2664, 19220), (2790, 18352), (2883, 17760), (2960, 17298), (2976, 17205), (3330, 15376), (3441, 14880), (3552, 14415), (3720, 13764), (3844, 13320), (4440, 11532), (4464, 11470), (4588, 11160), (4805, 10656), (4960, 10323), (5328, 9610), (5580, 9176), (5735, 8928), (5766, 8880), (5920, 8649), (6660, 7688), (6882, 7440)]