2018576780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7219}}^1$

素因数の和:7311

約数の個数: 96

約数和(自身を含む): 4890654720

約数和(自身を除く): 2872077940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 41, 44, 55, 62, 82, 110, 124, 155, 164, 205, 220, 310, 341, 410, 451, 620, 682, 820, 902, 1271, 1364, 1705, 1804, 2255, 2542, 3410, 4510, 5084, 6355, 6820, 7219, 9020, 12710, 13981, 14438, 25420, 27962, 28876, 36095, 55924, 69905, 72190, 79409, 139810, 144380, 158818, 223789, 279620, 295979, 317636, 397045, 447578, 591958, 794090, 895156, 1118945, 1183916, 1479895, 1588180, 2237890, 2461679, 2959790, 3255769, 4475780, 4923358, 5919580, 6511538, 9175349, 9846716, 12308395, 13023076, 16278845, 18350698, 24616790, 32557690, 36701396, 45876745, 49233580, 65115380, 91753490, 100928839, 183506980, 201857678, 403715356, 504644195, 1009288390, 2018576780]

約数ペア:

[(1, 2018576780), (2, 1009288390), (4, 504644195), (5, 403715356), (10, 201857678), (11, 183506980), (20, 100928839), (22, 91753490), (31, 65115380), (41, 49233580), (44, 45876745), (55, 36701396), (62, 32557690), (82, 24616790), (110, 18350698), (124, 16278845), (155, 13023076), (164, 12308395), (205, 9846716), (220, 9175349), (310, 6511538), (341, 5919580), (410, 4923358), (451, 4475780), (620, 3255769), (682, 2959790), (820, 2461679), (902, 2237890), (1271, 1588180), (1364, 1479895), (1705, 1183916), (1804, 1118945), (2255, 895156), (2542, 794090), (3410, 591958), (4510, 447578), (5084, 397045), (6355, 317636), (6820, 295979), (7219, 279620), (9020, 223789), (12710, 158818), (13981, 144380), (14438, 139810), (25420, 79409), (27962, 72190), (28876, 69905), (36095, 55924)]