20174722960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{65147}}^1$

素因数の和:65253

約数の個数: 120

約数和(自身を含む): 55255927680

約数和(自身を除く): 35081204720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 280, 316, 392, 395, 490, 553, 560, 632, 784, 790, 980, 1106, 1264, 1580, 1960, 2212, 2765, 3160, 3871, 3920, 4424, 5530, 6320, 7742, 8848, 11060, 15484, 19355, 22120, 30968, 38710, 44240, 61936, 65147, 77420, 130294, 154840, 260588, 309680, 325735, 456029, 521176, 651470, 912058, 1042352, 1302940, 1824116, 2280145, 2605880, 3192203, 3648232, 4560290, 5146613, 5211760, 6384406, 7296464, 9120580, 10293226, 12768812, 15961015, 18241160, 20586452, 25537624, 25733065, 31922030, 36026291, 36482320, 41172904, 51075248, 51466130, 63844060, 72052582, 82345808, 102932260, 127688120, 144105164, 180131455, 205864520, 252184037, 255376240, 288210328, 360262910, 411729040, 504368074, 576420656, 720525820, 1008736148, 1260920185, 1441051640, 2017472296, 2521840370, 2882103280, 4034944592, 5043680740, 10087361480, 20174722960]

約数ペア:

[(1, 20174722960), (2, 10087361480), (4, 5043680740), (5, 4034944592), (7, 2882103280), (8, 2521840370), (10, 2017472296), (14, 1441051640), (16, 1260920185), (20, 1008736148), (28, 720525820), (35, 576420656), (40, 504368074), (49, 411729040), (56, 360262910), (70, 288210328), (79, 255376240), (80, 252184037), (98, 205864520), (112, 180131455), (140, 144105164), (158, 127688120), (196, 102932260), (245, 82345808), (280, 72052582), (316, 63844060), (392, 51466130), (395, 51075248), (490, 41172904), (553, 36482320), (560, 36026291), (632, 31922030), (784, 25733065), (790, 25537624), (980, 20586452), (1106, 18241160), (1264, 15961015), (1580, 12768812), (1960, 10293226), (2212, 9120580), (2765, 7296464), (3160, 6384406), (3871, 5211760), (3920, 5146613), (4424, 4560290), (5530, 3648232), (6320, 3192203), (7742, 2605880), (8848, 2280145), (11060, 1824116), (15484, 1302940), (19355, 1042352), (22120, 912058), (30968, 651470), (38710, 521176), (44240, 456029), (61936, 325735), (65147, 309680), (77420, 260588), (130294, 154840)]