1220696880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{391249}}^1$

素因数の和:391278

約数の個数: 80

約数和(自身を含む): 4075260000

約数和(自身を除く): 2854563120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 391249, 782498, 1173747, 1564996, 1956245, 2347494, 3129992, 3912490, 4694988, 5086237, 5868735, 6259984, 7824980, 9389976, 10172474, 11737470, 15258711, 15649960, 18779952, 20344948, 23474940, 25431185, 30517422, 31299920, 40689896, 46949880, 50862370, 61034844, 76293555, 81379792, 93899760, 101724740, 122069688, 152587110, 203449480, 244139376, 305174220, 406898960, 610348440, 1220696880]

約数ペア:

[(1, 1220696880), (2, 610348440), (3, 406898960), (4, 305174220), (5, 244139376), (6, 203449480), (8, 152587110), (10, 122069688), (12, 101724740), (13, 93899760), (15, 81379792), (16, 76293555), (20, 61034844), (24, 50862370), (26, 46949880), (30, 40689896), (39, 31299920), (40, 30517422), (48, 25431185), (52, 23474940), (60, 20344948), (65, 18779952), (78, 15649960), (80, 15258711), (104, 11737470), (120, 10172474), (130, 9389976), (156, 7824980), (195, 6259984), (208, 5868735), (240, 5086237), (260, 4694988), (312, 3912490), (390, 3129992), (520, 2347494), (624, 1956245), (780, 1564996), (1040, 1173747), (1560, 782498), (3120, 391249)]