79871440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 226592640

約数和(自身を除く): 146721200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 80, 85, 88, 95, 110, 136, 152, 170, 176, 187, 190, 209, 220, 272, 281, 304, 323, 340, 374, 380, 418, 440, 562, 646, 680, 748, 760, 836, 880, 935, 1045, 1124, 1292, 1360, 1405, 1496, 1520, 1615, 1672, 1870, 2090, 2248, 2584, 2810, 2992, 3091, 3230, 3344, 3553, 3740, 4180, 4496, 4777, 5168, 5339, 5620, 6182, 6460, 7106, 7480, 8360, 9554, 10678, 11240, 12364, 12920, 14212, 14960, 15455, 16720, 17765, 19108, 21356, 22480, 23885, 24728, 25840, 26695, 28424, 30910, 35530, 38216, 42712, 47770, 49456, 52547, 53390, 56848, 58729, 61820, 71060, 76432, 85424, 90763, 95540, 105094, 106780, 117458, 123640, 142120, 181526, 191080, 210188, 213560, 234916, 247280, 262735, 284240, 293645, 363052, 382160, 420376, 427120, 453815, 469832, 525470, 587290, 726104, 840752, 907630, 939664, 998393, 1050940, 1174580, 1452208, 1815260, 1996786, 2101880, 2349160, 3630520, 3993572, 4203760, 4698320, 4991965, 7261040, 7987144, 9983930, 15974288, 19967860, 39935720, 79871440]

約数ペア:

[(1, 79871440), (2, 39935720), (4, 19967860), (5, 15974288), (8, 9983930), (10, 7987144), (11, 7261040), (16, 4991965), (17, 4698320), (19, 4203760), (20, 3993572), (22, 3630520), (34, 2349160), (38, 2101880), (40, 1996786), (44, 1815260), (55, 1452208), (68, 1174580), (76, 1050940), (80, 998393), (85, 939664), (88, 907630), (95, 840752), (110, 726104), (136, 587290), (152, 525470), (170, 469832), (176, 453815), (187, 427120), (190, 420376), (209, 382160), (220, 363052), (272, 293645), (281, 284240), (304, 262735), (323, 247280), (340, 234916), (374, 213560), (380, 210188), (418, 191080), (440, 181526), (562, 142120), (646, 123640), (680, 117458), (748, 106780), (760, 105094), (836, 95540), (880, 90763), (935, 85424), (1045, 76432), (1124, 71060), (1292, 61820), (1360, 58729), (1405, 56848), (1496, 53390), (1520, 52547), (1615, 49456), (1672, 47770), (1870, 42712), (2090, 38216), (2248, 35530), (2584, 30910), (2810, 28424), (2992, 26695), (3091, 25840), (3230, 24728), (3344, 23885), (3553, 22480), (3740, 21356), (4180, 19108), (4496, 17765), (4777, 16720), (5168, 15455), (5339, 14960), (5620, 14212), (6182, 12920), (6460, 12364), (7106, 11240), (7480, 10678), (8360, 9554)]