639877281840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28668337}}^1$

素因数の和:28668387

約数の個数: 120

約数和(自身を含む): 2218241321088

約数和(自身を除く): 1578364039248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 28668337, 57336674, 86005011, 114673348, 143341685, 172010022, 229346696, 258015033, 286683370, 344020044, 430025055, 458693392, 516030066, 573366740, 688040088, 860050110, 888718447, 1032060132, 1146733480, 1290075165, 1376080176, 1720100220, 1777436894, 2064120264, 2293466960, 2580150330, 2666155341, 3440200440, 3554873788, 4128240528, 4443592235, 5160300660, 5332310682, 6880400880, 7109747576, 7998466023, 8887184470, 10320601320, 10664621364, 13330776705, 14219495152, 15996932046, 17774368940, 20641202640, 21329242728, 26661553410, 31993864092, 35548737880, 39992330115, 42658485456, 53323106820, 63987728184, 71097475760, 79984660230, 106646213640, 127975456368, 159969320460, 213292427280, 319938640920, 639877281840]

約数ペア:

[(1, 639877281840), (2, 319938640920), (3, 213292427280), (4, 159969320460), (5, 127975456368), (6, 106646213640), (8, 79984660230), (9, 71097475760), (10, 63987728184), (12, 53323106820), (15, 42658485456), (16, 39992330115), (18, 35548737880), (20, 31993864092), (24, 26661553410), (30, 21329242728), (31, 20641202640), (36, 17774368940), (40, 15996932046), (45, 14219495152), (48, 13330776705), (60, 10664621364), (62, 10320601320), (72, 8887184470), (80, 7998466023), (90, 7109747576), (93, 6880400880), (120, 5332310682), (124, 5160300660), (144, 4443592235), (155, 4128240528), (180, 3554873788), (186, 3440200440), (240, 2666155341), (248, 2580150330), (279, 2293466960), (310, 2064120264), (360, 1777436894), (372, 1720100220), (465, 1376080176), (496, 1290075165), (558, 1146733480), (620, 1032060132), (720, 888718447), (744, 860050110), (930, 688040088), (1116, 573366740), (1240, 516030066), (1395, 458693392), (1488, 430025055), (1860, 344020044), (2232, 286683370), (2480, 258015033), (2790, 229346696), (3720, 172010022), (4464, 143341685), (5580, 114673348), (7440, 86005011), (11160, 57336674), (22320, 28668337)]