20849606640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{348889}}^1$

素因数の和:348991

約数の個数: 120

約数和(自身を含む): 70863745680

約数和(自身を除く): 50014139040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 180, 240, 249, 332, 360, 415, 498, 664, 720, 747, 830, 996, 1245, 1328, 1494, 1660, 1992, 2490, 2988, 3320, 3735, 3984, 4980, 5976, 6640, 7470, 9960, 11952, 14940, 19920, 29880, 59760, 348889, 697778, 1046667, 1395556, 1744445, 2093334, 2791112, 3140001, 3488890, 4186668, 5233335, 5582224, 6280002, 6977780, 8373336, 10466670, 12560004, 13955560, 15700005, 16746672, 20933340, 25120008, 27911120, 28957787, 31400010, 41866680, 50240016, 57915574, 62800020, 83733360, 86873361, 115831148, 125600040, 144788935, 173746722, 231662296, 251200080, 260620083, 289577870, 347493444, 434366805, 463324592, 521240166, 579155740, 694986888, 868733610, 1042480332, 1158311480, 1303100415, 1389973776, 1737467220, 2084960664, 2316622960, 2606200830, 3474934440, 4169921328, 5212401660, 6949868880, 10424803320, 20849606640]

約数ペア:

[(1, 20849606640), (2, 10424803320), (3, 6949868880), (4, 5212401660), (5, 4169921328), (6, 3474934440), (8, 2606200830), (9, 2316622960), (10, 2084960664), (12, 1737467220), (15, 1389973776), (16, 1303100415), (18, 1158311480), (20, 1042480332), (24, 868733610), (30, 694986888), (36, 579155740), (40, 521240166), (45, 463324592), (48, 434366805), (60, 347493444), (72, 289577870), (80, 260620083), (83, 251200080), (90, 231662296), (120, 173746722), (144, 144788935), (166, 125600040), (180, 115831148), (240, 86873361), (249, 83733360), (332, 62800020), (360, 57915574), (415, 50240016), (498, 41866680), (664, 31400010), (720, 28957787), (747, 27911120), (830, 25120008), (996, 20933340), (1245, 16746672), (1328, 15700005), (1494, 13955560), (1660, 12560004), (1992, 10466670), (2490, 8373336), (2988, 6977780), (3320, 6280002), (3735, 5582224), (3984, 5233335), (4980, 4186668), (5976, 3488890), (6640, 3140001), (7470, 2791112), (9960, 2093334), (11952, 1744445), (14940, 1395556), (19920, 1046667), (29880, 697778), (59760, 348889)]