21147494640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1444501}}^1$

素因数の和:1444578

約数の個数: 80

約数和(自身を含む): 66631988256

約数和(自身を除く): 45484493616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 7320, 14640, 1444501, 2889002, 4333503, 5778004, 7222505, 8667006, 11556008, 14445010, 17334012, 21667515, 23112016, 28890020, 34668024, 43335030, 57780040, 69336048, 86670060, 88114561, 115560080, 173340120, 176229122, 264343683, 346680240, 352458244, 440572805, 528687366, 704916488, 881145610, 1057374732, 1321718415, 1409832976, 1762291220, 2114749464, 2643436830, 3524582440, 4229498928, 5286873660, 7049164880, 10573747320, 21147494640]

約数ペア:

[(1, 21147494640), (2, 10573747320), (3, 7049164880), (4, 5286873660), (5, 4229498928), (6, 3524582440), (8, 2643436830), (10, 2114749464), (12, 1762291220), (15, 1409832976), (16, 1321718415), (20, 1057374732), (24, 881145610), (30, 704916488), (40, 528687366), (48, 440572805), (60, 352458244), (61, 346680240), (80, 264343683), (120, 176229122), (122, 173340120), (183, 115560080), (240, 88114561), (244, 86670060), (305, 69336048), (366, 57780040), (488, 43335030), (610, 34668024), (732, 28890020), (915, 23112016), (976, 21667515), (1220, 17334012), (1464, 14445010), (1830, 11556008), (2440, 8667006), (2928, 7222505), (3660, 5778004), (4880, 4333503), (7320, 2889002), (14640, 1444501)]