19980850080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{82757}}^1$

素因数の和:83278

約数の個数: 96

約数和(自身を含む): 63065568384

約数和(自身を除く): 43084718304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 503, 1006, 1509, 2012, 2515, 3018, 4024, 5030, 6036, 7545, 8048, 10060, 12072, 15090, 16096, 20120, 24144, 30180, 40240, 48288, 60360, 80480, 82757, 120720, 165514, 241440, 248271, 331028, 413785, 496542, 662056, 827570, 993084, 1241355, 1324112, 1655140, 1986168, 2482710, 2648224, 3310280, 3972336, 4965420, 6620560, 7944672, 9930840, 13241120, 19861680, 39723360, 41626771, 83253542, 124880313, 166507084, 208133855, 249760626, 333014168, 416267710, 499521252, 624401565, 666028336, 832535420, 999042504, 1248803130, 1332056672, 1665070840, 1998085008, 2497606260, 3330141680, 3996170016, 4995212520, 6660283360, 9990425040, 19980850080]

約数ペア:

[(1, 19980850080), (2, 9990425040), (3, 6660283360), (4, 4995212520), (5, 3996170016), (6, 3330141680), (8, 2497606260), (10, 1998085008), (12, 1665070840), (15, 1332056672), (16, 1248803130), (20, 999042504), (24, 832535420), (30, 666028336), (32, 624401565), (40, 499521252), (48, 416267710), (60, 333014168), (80, 249760626), (96, 208133855), (120, 166507084), (160, 124880313), (240, 83253542), (480, 41626771), (503, 39723360), (1006, 19861680), (1509, 13241120), (2012, 9930840), (2515, 7944672), (3018, 6620560), (4024, 4965420), (5030, 3972336), (6036, 3310280), (7545, 2648224), (8048, 2482710), (10060, 1986168), (12072, 1655140), (15090, 1324112), (16096, 1241355), (20120, 993084), (24144, 827570), (30180, 662056), (40240, 496542), (48288, 413785), (60360, 331028), (80480, 248271), (82757, 241440), (120720, 165514)]