20918615520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{360169}}^1$

素因数の和:360209

約数の個数: 144

約数和(自身を含む): 72428746320

約数和(自身を除く): 51510130800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 220, 240, 242, 264, 330, 352, 363, 440, 480, 484, 528, 605, 660, 726, 880, 968, 1056, 1210, 1320, 1452, 1760, 1815, 1936, 2420, 2640, 2904, 3630, 3872, 4840, 5280, 5808, 7260, 9680, 11616, 14520, 19360, 29040, 58080, 360169, 720338, 1080507, 1440676, 1800845, 2161014, 2881352, 3601690, 3961859, 4322028, 5402535, 5762704, 7203380, 7923718, 8644056, 10805070, 11525408, 11885577, 14406760, 15847436, 17288112, 19809295, 21610140, 23771154, 28813520, 31694872, 34576224, 39618590, 43220280, 43580449, 47542308, 57627040, 59427885, 63389744, 79237180, 86440560, 87160898, 95084616, 118855770, 126779488, 130741347, 158474360, 172881120, 174321796, 190169232, 217902245, 237711540, 261482694, 316948720, 348643592, 380338464, 435804490, 475423080, 522965388, 633897440, 653706735, 697287184, 871608980, 950846160, 1045930776, 1307413470, 1394574368, 1743217960, 1901692320, 2091861552, 2614826940, 3486435920, 4183723104, 5229653880, 6972871840, 10459307760, 20918615520]

約数ペア:

[(1, 20918615520), (2, 10459307760), (3, 6972871840), (4, 5229653880), (5, 4183723104), (6, 3486435920), (8, 2614826940), (10, 2091861552), (11, 1901692320), (12, 1743217960), (15, 1394574368), (16, 1307413470), (20, 1045930776), (22, 950846160), (24, 871608980), (30, 697287184), (32, 653706735), (33, 633897440), (40, 522965388), (44, 475423080), (48, 435804490), (55, 380338464), (60, 348643592), (66, 316948720), (80, 261482694), (88, 237711540), (96, 217902245), (110, 190169232), (120, 174321796), (121, 172881120), (132, 158474360), (160, 130741347), (165, 126779488), (176, 118855770), (220, 95084616), (240, 87160898), (242, 86440560), (264, 79237180), (330, 63389744), (352, 59427885), (363, 57627040), (440, 47542308), (480, 43580449), (484, 43220280), (528, 39618590), (605, 34576224), (660, 31694872), (726, 28813520), (880, 23771154), (968, 21610140), (1056, 19809295), (1210, 17288112), (1320, 15847436), (1452, 14406760), (1760, 11885577), (1815, 11525408), (1936, 10805070), (2420, 8644056), (2640, 7923718), (2904, 7203380), (3630, 5762704), (3872, 5402535), (4840, 4322028), (5280, 3961859), (5808, 3601690), (7260, 2881352), (9680, 2161014), (11616, 1800845), (14520, 1440676), (19360, 1080507), (29040, 720338), (58080, 360169)]