742770

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:157

約数の個数: 80

約数和(自身を含む): 2299968

約数和(自身を除く): 1557198

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 131, 135, 162, 189, 210, 262, 270, 315, 378, 393, 405, 567, 630, 655, 786, 810, 917, 945, 1134, 1179, 1310, 1834, 1890, 1965, 2358, 2751, 2835, 3537, 3930, 4585, 5502, 5670, 5895, 7074, 8253, 9170, 10611, 11790, 13755, 16506, 17685, 21222, 24759, 27510, 35370, 41265, 49518, 53055, 74277, 82530, 106110, 123795, 148554, 247590, 371385, 742770]

約数ペア:

[(1, 742770), (2, 371385), (3, 247590), (5, 148554), (6, 123795), (7, 106110), (9, 82530), (10, 74277), (14, 53055), (15, 49518), (18, 41265), (21, 35370), (27, 27510), (30, 24759), (35, 21222), (42, 17685), (45, 16506), (54, 13755), (63, 11790), (70, 10611), (81, 9170), (90, 8253), (105, 7074), (126, 5895), (131, 5670), (135, 5502), (162, 4585), (189, 3930), (210, 3537), (262, 2835), (270, 2751), (315, 2358), (378, 1965), (393, 1890), (405, 1834), (567, 1310), (630, 1179), (655, 1134), (786, 945), (810, 917)]