20787455520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{370147}}^1$

素因数の和:370184

約数の個数: 192

約数和(自身を含む): 78352928640

約数和(自身を除く): 57565473120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 3120, 3510, 3744, 4320, 4680, 5616, 6240, 7020, 9360, 11232, 14040, 18720, 28080, 56160, 370147, 740294, 1110441, 1480588, 1850735, 2220882, 2961176, 3331323, 3701470, 4441764, 4811911, 5552205, 5922352, 6662646, 7402940, 8883528, 9623822, 9993969, 11104410, 11844704, 13325292, 14435733, 14805880, 16656615, 17767056, 19247644, 19987938, 22208820, 24059555, 26650584, 28871466, 29611760, 33313230, 35534112, 38495288, 39975876, 43307199, 44417640, 48119110, 49969845, 53301168, 57742932, 59223520, 66626460, 72178665, 76990576, 79951752, 86614398, 88835280, 96238220, 99939690, 106602336, 115485864, 129921597, 133252920, 144357330, 153981152, 159903504, 173228796, 177670560, 192476440, 199879380, 216535995, 230971728, 259843194, 266505840, 288714660, 319807008, 346457592, 384952880, 399758760, 433071990, 461943456, 519686388, 533011680, 577429320, 649607985, 692915184, 769905760, 799517520, 866143980, 1039372776, 1154858640, 1299215970, 1385830368, 1599035040, 1732287960, 2078745552, 2309717280, 2598431940, 3464575920, 4157491104, 5196863880, 6929151840, 10393727760, 20787455520]

約数ペア:

[(1, 20787455520), (2, 10393727760), (3, 6929151840), (4, 5196863880), (5, 4157491104), (6, 3464575920), (8, 2598431940), (9, 2309717280), (10, 2078745552), (12, 1732287960), (13, 1599035040), (15, 1385830368), (16, 1299215970), (18, 1154858640), (20, 1039372776), (24, 866143980), (26, 799517520), (27, 769905760), (30, 692915184), (32, 649607985), (36, 577429320), (39, 533011680), (40, 519686388), (45, 461943456), (48, 433071990), (52, 399758760), (54, 384952880), (60, 346457592), (65, 319807008), (72, 288714660), (78, 266505840), (80, 259843194), (90, 230971728), (96, 216535995), (104, 199879380), (108, 192476440), (117, 177670560), (120, 173228796), (130, 159903504), (135, 153981152), (144, 144357330), (156, 133252920), (160, 129921597), (180, 115485864), (195, 106602336), (208, 99939690), (216, 96238220), (234, 88835280), (240, 86614398), (260, 79951752), (270, 76990576), (288, 72178665), (312, 66626460), (351, 59223520), (360, 57742932), (390, 53301168), (416, 49969845), (432, 48119110), (468, 44417640), (480, 43307199), (520, 39975876), (540, 38495288), (585, 35534112), (624, 33313230), (702, 29611760), (720, 28871466), (780, 26650584), (864, 24059555), (936, 22208820), (1040, 19987938), (1080, 19247644), (1170, 17767056), (1248, 16656615), (1404, 14805880), (1440, 14435733), (1560, 13325292), (1755, 11844704), (1872, 11104410), (2080, 9993969), (2160, 9623822), (2340, 8883528), (2808, 7402940), (3120, 6662646), (3510, 5922352), (3744, 5552205), (4320, 4811911), (4680, 4441764), (5616, 3701470), (6240, 3331323), (7020, 2961176), (9360, 2220882), (11232, 1850735), (14040, 1480588), (18720, 1110441), (28080, 740294), (56160, 370147)]