212169720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{252583}}^1$

素因数の和:252604

約数の個数: 64

約数和(自身を含む): 727441920

約数和(自身を除く): 515272200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 252583, 505166, 757749, 1010332, 1262915, 1515498, 1768081, 2020664, 2525830, 3030996, 3536162, 3788745, 5051660, 5304243, 6061992, 7072324, 7577490, 8840405, 10103320, 10608486, 14144648, 15154980, 17680810, 21216972, 26521215, 30309960, 35361620, 42433944, 53042430, 70723240, 106084860, 212169720]

約数ペア:

[(1, 212169720), (2, 106084860), (3, 70723240), (4, 53042430), (5, 42433944), (6, 35361620), (7, 30309960), (8, 26521215), (10, 21216972), (12, 17680810), (14, 15154980), (15, 14144648), (20, 10608486), (21, 10103320), (24, 8840405), (28, 7577490), (30, 7072324), (35, 6061992), (40, 5304243), (42, 5051660), (56, 3788745), (60, 3536162), (70, 3030996), (84, 2525830), (105, 2020664), (120, 1768081), (140, 1515498), (168, 1262915), (210, 1010332), (280, 757749), (420, 505166), (840, 252583)]