64837980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8377}}^1$

素因数の和:8435

約数の個数: 72

約数和(自身を含む): 201273072

約数和(自身を除く): 136435092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8377, 16754, 25131, 33508, 41885, 50262, 75393, 83770, 100524, 125655, 150786, 167540, 251310, 301572, 360211, 376965, 502620, 720422, 753930, 1080633, 1440844, 1507860, 1801055, 2161266, 3241899, 3602110, 4322532, 5403165, 6483798, 7204220, 10806330, 12967596, 16209495, 21612660, 32418990, 64837980]

約数ペア:

[(1, 64837980), (2, 32418990), (3, 21612660), (4, 16209495), (5, 12967596), (6, 10806330), (9, 7204220), (10, 6483798), (12, 5403165), (15, 4322532), (18, 3602110), (20, 3241899), (30, 2161266), (36, 1801055), (43, 1507860), (45, 1440844), (60, 1080633), (86, 753930), (90, 720422), (129, 502620), (172, 376965), (180, 360211), (215, 301572), (258, 251310), (387, 167540), (430, 150786), (516, 125655), (645, 100524), (774, 83770), (860, 75393), (1290, 50262), (1548, 41885), (1935, 33508), (2580, 25131), (3870, 16754), (7740, 8377)]