2021930820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{123439}}^1$

素因数の和:123474

約数の個数: 144

約数和(自身を含む): 7548602880

約数和(自身を除く): 5526672060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 123439, 246878, 370317, 493756, 617195, 740634, 864073, 1110951, 1234390, 1481268, 1604707, 1728146, 1851585, 2221902, 2468780, 2592219, 3209414, 3456292, 3703170, 4320365, 4443804, 4814121, 5184438, 5554755, 6418828, 7406340, 7776657, 8023535, 8640730, 9628242, 10368876, 11109510, 11232949, 12961095, 14442363, 15553314, 16047070, 17281460, 19256484, 22219020, 22465898, 24070605, 25922190, 28884726, 31106628, 32094140, 33698847, 38883285, 44931796, 48141210, 51844380, 56164745, 57769452, 67397694, 72211815, 77766570, 96282420, 101096541, 112329490, 134795388, 144423630, 155533140, 168494235, 202193082, 224658980, 288847260, 336988470, 404386164, 505482705, 673976940, 1010965410, 2021930820]

約数ペア:

[(1, 2021930820), (2, 1010965410), (3, 673976940), (4, 505482705), (5, 404386164), (6, 336988470), (7, 288847260), (9, 224658980), (10, 202193082), (12, 168494235), (13, 155533140), (14, 144423630), (15, 134795388), (18, 112329490), (20, 101096541), (21, 96282420), (26, 77766570), (28, 72211815), (30, 67397694), (35, 57769452), (36, 56164745), (39, 51844380), (42, 48141210), (45, 44931796), (52, 38883285), (60, 33698847), (63, 32094140), (65, 31106628), (70, 28884726), (78, 25922190), (84, 24070605), (90, 22465898), (91, 22219020), (105, 19256484), (117, 17281460), (126, 16047070), (130, 15553314), (140, 14442363), (156, 12961095), (180, 11232949), (182, 11109510), (195, 10368876), (210, 9628242), (234, 8640730), (252, 8023535), (260, 7776657), (273, 7406340), (315, 6418828), (364, 5554755), (390, 5184438), (420, 4814121), (455, 4443804), (468, 4320365), (546, 3703170), (585, 3456292), (630, 3209414), (780, 2592219), (819, 2468780), (910, 2221902), (1092, 1851585), (1170, 1728146), (1260, 1604707), (1365, 1481268), (1638, 1234390), (1820, 1110951), (2340, 864073), (2730, 740634), (3276, 617195), (4095, 493756), (5460, 370317), (8190, 246878), (16380, 123439)]