20130127830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1\times {\mathrm{1439}}^1$

素因数の和:1915

約数の個数: 128

約数和(自身を含む): 54195609600

約数和(自身を除く): 34065481770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 197, 263, 270, 394, 526, 591, 789, 985, 1182, 1315, 1439, 1578, 1773, 1970, 2367, 2630, 2878, 2955, 3546, 3945, 4317, 4734, 5319, 5910, 7101, 7195, 7890, 8634, 8865, 10638, 11835, 12951, 14202, 14390, 17730, 21585, 23670, 25902, 26595, 35505, 38853, 43170, 51811, 53190, 64755, 71010, 77706, 103622, 129510, 155433, 194265, 259055, 283483, 310866, 378457, 388530, 466299, 518110, 566966, 756914, 777165, 850449, 932598, 1135371, 1398897, 1417415, 1554330, 1700898, 1892285, 2270742, 2331495, 2551347, 2797794, 2834830, 3406113, 3784570, 4252245, 4662990, 5102694, 5676855, 6812226, 6994485, 7654041, 8504490, 10218339, 11353710, 12756735, 13988970, 15308082, 17030565, 20436678, 25513470, 34061130, 38270205, 51091695, 74556029, 76540410, 102183390, 149112058, 223668087, 372780145, 447336174, 671004261, 745560290, 1118340435, 1342008522, 2013012783, 2236680870, 3355021305, 4026025566, 6710042610, 10065063915, 20130127830]

約数ペア:

[(1, 20130127830), (2, 10065063915), (3, 6710042610), (5, 4026025566), (6, 3355021305), (9, 2236680870), (10, 2013012783), (15, 1342008522), (18, 1118340435), (27, 745560290), (30, 671004261), (45, 447336174), (54, 372780145), (90, 223668087), (135, 149112058), (197, 102183390), (263, 76540410), (270, 74556029), (394, 51091695), (526, 38270205), (591, 34061130), (789, 25513470), (985, 20436678), (1182, 17030565), (1315, 15308082), (1439, 13988970), (1578, 12756735), (1773, 11353710), (1970, 10218339), (2367, 8504490), (2630, 7654041), (2878, 6994485), (2955, 6812226), (3546, 5676855), (3945, 5102694), (4317, 4662990), (4734, 4252245), (5319, 3784570), (5910, 3406113), (7101, 2834830), (7195, 2797794), (7890, 2551347), (8634, 2331495), (8865, 2270742), (10638, 1892285), (11835, 1700898), (12951, 1554330), (14202, 1417415), (14390, 1398897), (17730, 1135371), (21585, 932598), (23670, 850449), (25902, 777165), (26595, 756914), (35505, 566966), (38853, 518110), (43170, 466299), (51811, 388530), (53190, 378457), (64755, 310866), (71010, 283483), (77706, 259055), (103622, 194265), (129510, 155433)]