138198690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{73121}}^1$

素因数の和:73144

約数の個数: 64

約数和(自身を含む): 421182720

約数和(自身を除く): 282984030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 73121, 146242, 219363, 365605, 438726, 511847, 658089, 731210, 1023694, 1096815, 1316178, 1535541, 1974267, 2193630, 2559235, 3071082, 3290445, 3948534, 4606623, 5118470, 6580890, 7677705, 9213246, 9871335, 13819869, 15355410, 19742670, 23033115, 27639738, 46066230, 69099345, 138198690]

約数ペア:

[(1, 138198690), (2, 69099345), (3, 46066230), (5, 27639738), (6, 23033115), (7, 19742670), (9, 15355410), (10, 13819869), (14, 9871335), (15, 9213246), (18, 7677705), (21, 6580890), (27, 5118470), (30, 4606623), (35, 3948534), (42, 3290445), (45, 3071082), (54, 2559235), (63, 2193630), (70, 1974267), (90, 1535541), (105, 1316178), (126, 1096815), (135, 1023694), (189, 731210), (210, 658089), (270, 511847), (315, 438726), (378, 365605), (630, 219363), (945, 146242), (1890, 73121)]