77848260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{26479}}^1$

素因数の和:26505

約数の個数: 72

約数和(自身を含む): 253572480

約数和(自身を除く): 175724220

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, 26479, 52958, 79437, 105916, 132395, 158874, 185353, 264790, 317748, 370706, 397185, 529580, 556059, 741412, 794370, 926765, 1112118, 1297471, 1588740, 1853530, 2224236, 2594942, 2780295, 3707060, 3892413, 5189884, 5560590, 6487355, 7784826, 11121180, 12974710, 15569652, 19462065, 25949420, 38924130, 77848260]

約数ペア:

[(1, 77848260), (2, 38924130), (3, 25949420), (4, 19462065), (5, 15569652), (6, 12974710), (7, 11121180), (10, 7784826), (12, 6487355), (14, 5560590), (15, 5189884), (20, 3892413), (21, 3707060), (28, 2780295), (30, 2594942), (35, 2224236), (42, 1853530), (49, 1588740), (60, 1297471), (70, 1112118), (84, 926765), (98, 794370), (105, 741412), (140, 556059), (147, 529580), (196, 397185), (210, 370706), (245, 317748), (294, 264790), (420, 185353), (490, 158874), (588, 132395), (735, 105916), (980, 79437), (1470, 52958), (2940, 26479)]