67681740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23021}}^1$

素因数の和:23047

約数の個数: 72

約数和(自身を含む): 220458672

約数和(自身を除く): 152776932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 23021, 46042, 69063, 92084, 115105, 138126, 161147, 230210, 276252, 322294, 345315, 460420, 483441, 644588, 690630, 805735, 966882, 1128029, 1381260, 1611470, 1933764, 2256058, 2417205, 3222940, 3384087, 4512116, 4834410, 5640145, 6768174, 9668820, 11280290, 13536348, 16920435, 22560580, 33840870, 67681740]

約数ペア:

[(1, 67681740), (2, 33840870), (3, 22560580), (4, 16920435), (5, 13536348), (6, 11280290), (7, 9668820), (10, 6768174), (12, 5640145), (14, 4834410), (15, 4512116), (20, 3384087), (21, 3222940), (28, 2417205), (30, 2256058), (35, 1933764), (42, 1611470), (49, 1381260), (60, 1128029), (70, 966882), (84, 805735), (98, 690630), (105, 644588), (140, 483441), (147, 460420), (196, 345315), (210, 322294), (245, 276252), (294, 230210), (420, 161147), (490, 138126), (588, 115105), (735, 92084), (980, 69063), (1470, 46042), (2940, 23021)]