321212338640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{504353}}^1$

素因数の和:504804

約数の個数: 80

約数和(自身を含む): 788002689600

約数和(自身を除く): 466790350960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 419, 760, 838, 1520, 1676, 2095, 3352, 4190, 6704, 7961, 8380, 15922, 16760, 31844, 33520, 39805, 63688, 79610, 127376, 159220, 318440, 504353, 636880, 1008706, 2017412, 2521765, 4034824, 5043530, 8069648, 9582707, 10087060, 19165414, 20174120, 38330828, 40348240, 47913535, 76661656, 95827070, 153323312, 191654140, 211323907, 383308280, 422647814, 766616560, 845295628, 1056619535, 1690591256, 2113239070, 3381182512, 4015154233, 4226478140, 8030308466, 8452956280, 16060616932, 16905912560, 20075771165, 32121233864, 40151542330, 64242467728, 80303084660, 160606169320, 321212338640]

約数ペア:

[(1, 321212338640), (2, 160606169320), (4, 80303084660), (5, 64242467728), (8, 40151542330), (10, 32121233864), (16, 20075771165), (19, 16905912560), (20, 16060616932), (38, 8452956280), (40, 8030308466), (76, 4226478140), (80, 4015154233), (95, 3381182512), (152, 2113239070), (190, 1690591256), (304, 1056619535), (380, 845295628), (419, 766616560), (760, 422647814), (838, 383308280), (1520, 211323907), (1676, 191654140), (2095, 153323312), (3352, 95827070), (4190, 76661656), (6704, 47913535), (7961, 40348240), (8380, 38330828), (15922, 20174120), (16760, 19165414), (31844, 10087060), (33520, 9582707), (39805, 8069648), (63688, 5043530), (79610, 4034824), (127376, 2521765), (159220, 2017412), (318440, 1008706), (504353, 636880)]