20199400480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{1279}}^1$

素因数の和:1599

約数の個数: 192

約数和(自身を含む): 55738368000

約数和(自身を除く): 35538967520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 70, 80, 112, 118, 140, 160, 224, 236, 239, 280, 295, 413, 472, 478, 560, 590, 826, 944, 956, 1120, 1180, 1195, 1279, 1652, 1673, 1888, 1912, 2065, 2360, 2390, 2558, 3304, 3346, 3824, 4130, 4720, 4780, 5116, 6395, 6608, 6692, 7648, 8260, 8365, 8953, 9440, 9560, 10232, 12790, 13216, 13384, 14101, 16520, 16730, 17906, 19120, 20464, 25580, 26768, 28202, 33040, 33460, 35812, 38240, 40928, 44765, 51160, 53536, 56404, 66080, 66920, 70505, 71624, 75461, 89530, 98707, 102320, 112808, 133840, 141010, 143248, 150922, 179060, 197414, 204640, 225616, 267680, 282020, 286496, 301844, 305681, 358120, 377305, 394828, 451232, 493535, 528227, 564040, 603688, 611362, 716240, 754610, 789656, 987070, 1056454, 1128080, 1207376, 1222724, 1432480, 1509220, 1528405, 1579312, 1974140, 2112908, 2139767, 2256160, 2414752, 2445448, 2641135, 3018440, 3056810, 3158624, 3948280, 4225816, 4279534, 4890896, 5282270, 6036880, 6113620, 7896560, 8451632, 8559068, 9781792, 10564540, 10698835, 12073760, 12227240, 15793120, 16903264, 17118136, 18035179, 21129080, 21397670, 24454480, 34236272, 36070358, 42258160, 42795340, 48908960, 68472544, 72140716, 84516320, 85590680, 90175895, 126246253, 144281432, 171181360, 180351790, 252492506, 288562864, 342362720, 360703580, 504985012, 577125728, 631231265, 721407160, 1009970024, 1262462530, 1442814320, 2019940048, 2524925060, 2885628640, 4039880096, 5049850120, 10099700240, 20199400480]

約数ペア:

[(1, 20199400480), (2, 10099700240), (4, 5049850120), (5, 4039880096), (7, 2885628640), (8, 2524925060), (10, 2019940048), (14, 1442814320), (16, 1262462530), (20, 1009970024), (28, 721407160), (32, 631231265), (35, 577125728), (40, 504985012), (56, 360703580), (59, 342362720), (70, 288562864), (80, 252492506), (112, 180351790), (118, 171181360), (140, 144281432), (160, 126246253), (224, 90175895), (236, 85590680), (239, 84516320), (280, 72140716), (295, 68472544), (413, 48908960), (472, 42795340), (478, 42258160), (560, 36070358), (590, 34236272), (826, 24454480), (944, 21397670), (956, 21129080), (1120, 18035179), (1180, 17118136), (1195, 16903264), (1279, 15793120), (1652, 12227240), (1673, 12073760), (1888, 10698835), (1912, 10564540), (2065, 9781792), (2360, 8559068), (2390, 8451632), (2558, 7896560), (3304, 6113620), (3346, 6036880), (3824, 5282270), (4130, 4890896), (4720, 4279534), (4780, 4225816), (5116, 3948280), (6395, 3158624), (6608, 3056810), (6692, 3018440), (7648, 2641135), (8260, 2445448), (8365, 2414752), (8953, 2256160), (9440, 2139767), (9560, 2112908), (10232, 1974140), (12790, 1579312), (13216, 1528405), (13384, 1509220), (14101, 1432480), (16520, 1222724), (16730, 1207376), (17906, 1128080), (19120, 1056454), (20464, 987070), (25580, 789656), (26768, 754610), (28202, 716240), (33040, 611362), (33460, 603688), (35812, 564040), (38240, 528227), (40928, 493535), (44765, 451232), (51160, 394828), (53536, 377305), (56404, 358120), (66080, 305681), (66920, 301844), (70505, 286496), (71624, 282020), (75461, 267680), (89530, 225616), (98707, 204640), (102320, 197414), (112808, 179060), (133840, 150922), (141010, 143248)]