71727390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37951}}^1$

素因数の和:37974

約数の個数: 64

約数和(自身を含む): 218603520

約数和(自身を除く): 146876130

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, 37951, 75902, 113853, 189755, 227706, 265657, 341559, 379510, 531314, 569265, 683118, 796971, 1024677, 1138530, 1328285, 1593942, 1707795, 2049354, 2390913, 2656570, 3415590, 3984855, 4781826, 5123385, 7172739, 7969710, 10246770, 11954565, 14345478, 23909130, 35863695, 71727390]

約数ペア:

[(1, 71727390), (2, 35863695), (3, 23909130), (5, 14345478), (6, 11954565), (7, 10246770), (9, 7969710), (10, 7172739), (14, 5123385), (15, 4781826), (18, 3984855), (21, 3415590), (27, 2656570), (30, 2390913), (35, 2049354), (42, 1707795), (45, 1593942), (54, 1328285), (63, 1138530), (70, 1024677), (90, 796971), (105, 683118), (126, 569265), (135, 531314), (189, 379510), (210, 341559), (270, 265657), (315, 227706), (378, 189755), (630, 113853), (945, 75902), (1890, 37951)]