20154420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 288

約数和(自身を含む): 77051520

約数和(自身を除く): 56897100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 29, 30, 33, 36, 39, 44, 45, 52, 54, 55, 58, 60, 65, 66, 78, 81, 87, 90, 99, 108, 110, 116, 117, 130, 132, 135, 143, 145, 156, 162, 165, 174, 180, 195, 198, 220, 234, 243, 260, 261, 270, 286, 290, 297, 319, 324, 330, 348, 351, 377, 390, 396, 405, 429, 435, 468, 486, 495, 522, 540, 572, 580, 585, 594, 638, 660, 702, 715, 754, 780, 783, 810, 858, 870, 891, 957, 972, 990, 1044, 1053, 1131, 1170, 1188, 1215, 1276, 1287, 1305, 1404, 1430, 1485, 1508, 1566, 1595, 1620, 1716, 1740, 1755, 1782, 1885, 1914, 1980, 2106, 2145, 2262, 2340, 2349, 2430, 2574, 2610, 2673, 2860, 2871, 2970, 3132, 3159, 3190, 3393, 3510, 3564, 3770, 3828, 3861, 3915, 4147, 4212, 4290, 4455, 4524, 4698, 4785, 4860, 5148, 5220, 5265, 5346, 5655, 5742, 5940, 6318, 6380, 6435, 6786, 7020, 7047, 7540, 7722, 7830, 8294, 8580, 8613, 8910, 9396, 9570, 10179, 10530, 10692, 11310, 11484, 11583, 11745, 12441, 12636, 12870, 13365, 13572, 14094, 14355, 15444, 15660, 15795, 16588, 16965, 17226, 17820, 19140, 19305, 20358, 20735, 21060, 22620, 23166, 23490, 24882, 25740, 25839, 26730, 28188, 28710, 30537, 31590, 33930, 34452, 34749, 35235, 37323, 38610, 40716, 41470, 43065, 46332, 46980, 49764, 50895, 51678, 53460, 57420, 57915, 61074, 62205, 63180, 67860, 69498, 70470, 74646, 77220, 77517, 82940, 86130, 91611, 101790, 103356, 111969, 115830, 122148, 124410, 129195, 138996, 140940, 149292, 152685, 155034, 172260, 173745, 183222, 186615, 203580, 223938, 231660, 248820, 258390, 305370, 310068, 335907, 347490, 366444, 373230, 387585, 447876, 458055, 516780, 559845, 610740, 671814, 694980, 746460, 775170, 916110, 1007721, 1119690, 1343628, 1550340, 1679535, 1832220, 2015442, 2239380, 3359070, 4030884, 5038605, 6718140, 10077210, 20154420]

約数ペア:

[(1, 20154420), (2, 10077210), (3, 6718140), (4, 5038605), (5, 4030884), (6, 3359070), (9, 2239380), (10, 2015442), (11, 1832220), (12, 1679535), (13, 1550340), (15, 1343628), (18, 1119690), (20, 1007721), (22, 916110), (26, 775170), (27, 746460), (29, 694980), (30, 671814), (33, 610740), (36, 559845), (39, 516780), (44, 458055), (45, 447876), (52, 387585), (54, 373230), (55, 366444), (58, 347490), (60, 335907), (65, 310068), (66, 305370), (78, 258390), (81, 248820), (87, 231660), (90, 223938), (99, 203580), (108, 186615), (110, 183222), (116, 173745), (117, 172260), (130, 155034), (132, 152685), (135, 149292), (143, 140940), (145, 138996), (156, 129195), (162, 124410), (165, 122148), (174, 115830), (180, 111969), (195, 103356), (198, 101790), (220, 91611), (234, 86130), (243, 82940), (260, 77517), (261, 77220), (270, 74646), (286, 70470), (290, 69498), (297, 67860), (319, 63180), (324, 62205), (330, 61074), (348, 57915), (351, 57420), (377, 53460), (390, 51678), (396, 50895), (405, 49764), (429, 46980), (435, 46332), (468, 43065), (486, 41470), (495, 40716), (522, 38610), (540, 37323), (572, 35235), (580, 34749), (585, 34452), (594, 33930), (638, 31590), (660, 30537), (702, 28710), (715, 28188), (754, 26730), (780, 25839), (783, 25740), (810, 24882), (858, 23490), (870, 23166), (891, 22620), (957, 21060), (972, 20735), (990, 20358), (1044, 19305), (1053, 19140), (1131, 17820), (1170, 17226), (1188, 16965), (1215, 16588), (1276, 15795), (1287, 15660), (1305, 15444), (1404, 14355), (1430, 14094), (1485, 13572), (1508, 13365), (1566, 12870), (1595, 12636), (1620, 12441), (1716, 11745), (1740, 11583), (1755, 11484), (1782, 11310), (1885, 10692), (1914, 10530), (1980, 10179), (2106, 9570), (2145, 9396), (2262, 8910), (2340, 8613), (2349, 8580), (2430, 8294), (2574, 7830), (2610, 7722), (2673, 7540), (2860, 7047), (2871, 7020), (2970, 6786), (3132, 6435), (3159, 6380), (3190, 6318), (3393, 5940), (3510, 5742), (3564, 5655), (3770, 5346), (3828, 5265), (3861, 5220), (3915, 5148), (4147, 4860), (4212, 4785), (4290, 4698), (4455, 4524)]