320265540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{254179}}^1$

素因数の和:254201

約数の個数: 72

約数和(自身を含む): 1110258240

約数和(自身を除く): 789992700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 254179, 508358, 762537, 1016716, 1270895, 1525074, 1779253, 2287611, 2541790, 3050148, 3558506, 3812685, 4575222, 5083580, 5337759, 7117012, 7625370, 8896265, 9150444, 10675518, 11438055, 15250740, 16013277, 17792530, 21351036, 22876110, 26688795, 32026554, 35585060, 45752220, 53377590, 64053108, 80066385, 106755180, 160132770, 320265540]

約数ペア:

[(1, 320265540), (2, 160132770), (3, 106755180), (4, 80066385), (5, 64053108), (6, 53377590), (7, 45752220), (9, 35585060), (10, 32026554), (12, 26688795), (14, 22876110), (15, 21351036), (18, 17792530), (20, 16013277), (21, 15250740), (28, 11438055), (30, 10675518), (35, 9150444), (36, 8896265), (42, 7625370), (45, 7117012), (60, 5337759), (63, 5083580), (70, 4575222), (84, 3812685), (90, 3558506), (105, 3050148), (126, 2541790), (140, 2287611), (180, 1779253), (210, 1525074), (252, 1270895), (315, 1016716), (420, 762537), (630, 508358), (1260, 254179)]