78581880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 256

約数和(自身を含む): 293328000

約数和(自身を除く): 214746120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 29, 30, 36, 39, 40, 45, 52, 54, 58, 60, 65, 72, 78, 87, 90, 104, 108, 116, 117, 120, 130, 135, 145, 156, 174, 180, 193, 195, 216, 232, 234, 260, 261, 270, 290, 312, 348, 351, 360, 377, 386, 390, 435, 468, 520, 522, 540, 579, 580, 585, 696, 702, 754, 772, 780, 783, 870, 936, 965, 1044, 1080, 1131, 1158, 1160, 1170, 1305, 1404, 1508, 1544, 1560, 1566, 1737, 1740, 1755, 1885, 1930, 2088, 2262, 2316, 2340, 2509, 2610, 2808, 2895, 3016, 3132, 3393, 3474, 3480, 3510, 3770, 3860, 3915, 4524, 4632, 4680, 5018, 5211, 5220, 5597, 5655, 5790, 6264, 6786, 6948, 7020, 7527, 7540, 7720, 7830, 8685, 9048, 10036, 10179, 10422, 10440, 11194, 11310, 11580, 12545, 13572, 13896, 14040, 15054, 15080, 15660, 16791, 16965, 17370, 20072, 20358, 20844, 22388, 22581, 22620, 23160, 25090, 26055, 27144, 27985, 30108, 31320, 33582, 33930, 34740, 37635, 40716, 41688, 44776, 45162, 45240, 50180, 50373, 50895, 52110, 55970, 60216, 67164, 67743, 67860, 69480, 72761, 75270, 81432, 83955, 90324, 100360, 100746, 101790, 104220, 111940, 112905, 134328, 135486, 135720, 145522, 150540, 151119, 167910, 180648, 201492, 203580, 208440, 218283, 223880, 225810, 251865, 270972, 291044, 301080, 302238, 335820, 338715, 363805, 402984, 407160, 436566, 451620, 503730, 541944, 582088, 604476, 654849, 671640, 677430, 727610, 755595, 873132, 903240, 1007460, 1091415, 1208952, 1309698, 1354860, 1455220, 1511190, 1746264, 1964547, 2014920, 2182830, 2619396, 2709720, 2910440, 3022380, 3274245, 3929094, 4365660, 5238792, 6044760, 6548490, 7858188, 8731320, 9822735, 13096980, 15716376, 19645470, 26193960, 39290940, 78581880]

約数ペア:

[(1, 78581880), (2, 39290940), (3, 26193960), (4, 19645470), (5, 15716376), (6, 13096980), (8, 9822735), (9, 8731320), (10, 7858188), (12, 6548490), (13, 6044760), (15, 5238792), (18, 4365660), (20, 3929094), (24, 3274245), (26, 3022380), (27, 2910440), (29, 2709720), (30, 2619396), (36, 2182830), (39, 2014920), (40, 1964547), (45, 1746264), (52, 1511190), (54, 1455220), (58, 1354860), (60, 1309698), (65, 1208952), (72, 1091415), (78, 1007460), (87, 903240), (90, 873132), (104, 755595), (108, 727610), (116, 677430), (117, 671640), (120, 654849), (130, 604476), (135, 582088), (145, 541944), (156, 503730), (174, 451620), (180, 436566), (193, 407160), (195, 402984), (216, 363805), (232, 338715), (234, 335820), (260, 302238), (261, 301080), (270, 291044), (290, 270972), (312, 251865), (348, 225810), (351, 223880), (360, 218283), (377, 208440), (386, 203580), (390, 201492), (435, 180648), (468, 167910), (520, 151119), (522, 150540), (540, 145522), (579, 135720), (580, 135486), (585, 134328), (696, 112905), (702, 111940), (754, 104220), (772, 101790), (780, 100746), (783, 100360), (870, 90324), (936, 83955), (965, 81432), (1044, 75270), (1080, 72761), (1131, 69480), (1158, 67860), (1160, 67743), (1170, 67164), (1305, 60216), (1404, 55970), (1508, 52110), (1544, 50895), (1560, 50373), (1566, 50180), (1737, 45240), (1740, 45162), (1755, 44776), (1885, 41688), (1930, 40716), (2088, 37635), (2262, 34740), (2316, 33930), (2340, 33582), (2509, 31320), (2610, 30108), (2808, 27985), (2895, 27144), (3016, 26055), (3132, 25090), (3393, 23160), (3474, 22620), (3480, 22581), (3510, 22388), (3770, 20844), (3860, 20358), (3915, 20072), (4524, 17370), (4632, 16965), (4680, 16791), (5018, 15660), (5211, 15080), (5220, 15054), (5597, 14040), (5655, 13896), (5790, 13572), (6264, 12545), (6786, 11580), (6948, 11310), (7020, 11194), (7527, 10440), (7540, 10422), (7720, 10179), (7830, 10036), (8685, 9048)]