156955954840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1609}}^1\times {\mathrm{39979}}^1$

素因数の和:41660

約数の個数: 64

約数和(自身を含む): 359172324000

約数和(自身を除く): 202216369160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1609, 2440, 3218, 6436, 8045, 12872, 16090, 32180, 39979, 64360, 79958, 98149, 159916, 196298, 199895, 319832, 392596, 399790, 490745, 785192, 799580, 981490, 1599160, 1962980, 2438719, 3925960, 4877438, 9754876, 12193595, 19509752, 24387190, 48774380, 64326211, 97548760, 128652422, 257304844, 321631055, 514609688, 643262110, 1286524220, 2573048440, 3923898871, 7847797742, 15695595484, 19619494355, 31391190968, 39238988710, 78477977420, 156955954840]

約数ペア:

[(1, 156955954840), (2, 78477977420), (4, 39238988710), (5, 31391190968), (8, 19619494355), (10, 15695595484), (20, 7847797742), (40, 3923898871), (61, 2573048440), (122, 1286524220), (244, 643262110), (305, 514609688), (488, 321631055), (610, 257304844), (1220, 128652422), (1609, 97548760), (2440, 64326211), (3218, 48774380), (6436, 24387190), (8045, 19509752), (12872, 12193595), (16090, 9754876), (32180, 4877438), (39979, 3925960), (64360, 2438719), (79958, 1962980), (98149, 1599160), (159916, 981490), (196298, 799580), (199895, 785192), (319832, 490745), (392596, 399790)]