213151080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 668350080

約数和(自身を除く): 455199000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 61, 74, 111, 120, 122, 148, 183, 185, 222, 244, 296, 305, 366, 370, 444, 488, 555, 610, 732, 740, 787, 888, 915, 1110, 1220, 1464, 1480, 1574, 1830, 2220, 2257, 2361, 2440, 3148, 3660, 3935, 4440, 4514, 4722, 6296, 6771, 7320, 7870, 9028, 9444, 11285, 11805, 13542, 15740, 18056, 18888, 22570, 23610, 27084, 29119, 31480, 33855, 45140, 47220, 48007, 54168, 58238, 67710, 87357, 90280, 94440, 96014, 116476, 135420, 144021, 145595, 174714, 192028, 232952, 240035, 270840, 288042, 291190, 349428, 384056, 436785, 480070, 576084, 582380, 698856, 720105, 873570, 960140, 1152168, 1164760, 1440210, 1747140, 1776259, 1920280, 2880420, 3494280, 3552518, 5328777, 5760840, 7105036, 8881295, 10657554, 14210072, 17762590, 21315108, 26643885, 35525180, 42630216, 53287770, 71050360, 106575540, 213151080]

約数ペア:

[(1, 213151080), (2, 106575540), (3, 71050360), (4, 53287770), (5, 42630216), (6, 35525180), (8, 26643885), (10, 21315108), (12, 17762590), (15, 14210072), (20, 10657554), (24, 8881295), (30, 7105036), (37, 5760840), (40, 5328777), (60, 3552518), (61, 3494280), (74, 2880420), (111, 1920280), (120, 1776259), (122, 1747140), (148, 1440210), (183, 1164760), (185, 1152168), (222, 960140), (244, 873570), (296, 720105), (305, 698856), (366, 582380), (370, 576084), (444, 480070), (488, 436785), (555, 384056), (610, 349428), (732, 291190), (740, 288042), (787, 270840), (888, 240035), (915, 232952), (1110, 192028), (1220, 174714), (1464, 145595), (1480, 144021), (1574, 135420), (1830, 116476), (2220, 96014), (2257, 94440), (2361, 90280), (2440, 87357), (3148, 67710), (3660, 58238), (3935, 54168), (4440, 48007), (4514, 47220), (4722, 45140), (6296, 33855), (6771, 31480), (7320, 29119), (7870, 27084), (9028, 23610), (9444, 22570), (11285, 18888), (11805, 18056), (13542, 15740)]