78706980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 263337984

約数和(自身を除く): 184631004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 127, 132, 165, 180, 198, 220, 254, 313, 330, 381, 396, 495, 508, 626, 635, 660, 762, 939, 990, 1143, 1252, 1270, 1397, 1524, 1565, 1878, 1905, 1980, 2286, 2540, 2794, 2817, 3130, 3443, 3756, 3810, 4191, 4572, 4695, 5588, 5634, 5715, 6260, 6886, 6985, 7620, 8382, 9390, 10329, 11268, 11430, 12573, 13772, 13970, 14085, 16764, 17215, 18780, 20658, 20955, 22860, 25146, 27940, 28170, 30987, 34430, 39751, 41316, 41910, 50292, 51645, 56340, 61974, 62865, 68860, 79502, 83820, 103290, 119253, 123948, 125730, 154935, 159004, 198755, 206580, 238506, 251460, 309870, 357759, 397510, 437261, 477012, 596265, 619740, 715518, 795020, 874522, 1192530, 1311783, 1431036, 1749044, 1788795, 2186305, 2385060, 2623566, 3577590, 3935349, 4372610, 5247132, 6558915, 7155180, 7870698, 8745220, 13117830, 15741396, 19676745, 26235660, 39353490, 78706980]

約数ペア:

[(1, 78706980), (2, 39353490), (3, 26235660), (4, 19676745), (5, 15741396), (6, 13117830), (9, 8745220), (10, 7870698), (11, 7155180), (12, 6558915), (15, 5247132), (18, 4372610), (20, 3935349), (22, 3577590), (30, 2623566), (33, 2385060), (36, 2186305), (44, 1788795), (45, 1749044), (55, 1431036), (60, 1311783), (66, 1192530), (90, 874522), (99, 795020), (110, 715518), (127, 619740), (132, 596265), (165, 477012), (180, 437261), (198, 397510), (220, 357759), (254, 309870), (313, 251460), (330, 238506), (381, 206580), (396, 198755), (495, 159004), (508, 154935), (626, 125730), (635, 123948), (660, 119253), (762, 103290), (939, 83820), (990, 79502), (1143, 68860), (1252, 62865), (1270, 61974), (1397, 56340), (1524, 51645), (1565, 50292), (1878, 41910), (1905, 41316), (1980, 39751), (2286, 34430), (2540, 30987), (2794, 28170), (2817, 27940), (3130, 25146), (3443, 22860), (3756, 20955), (3810, 20658), (4191, 18780), (4572, 17215), (4695, 16764), (5588, 14085), (5634, 13970), (5715, 13772), (6260, 12573), (6886, 11430), (6985, 11268), (7620, 10329), (8382, 9390)]