30788520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{36653}}^1$

素因数の和:36674

約数の個数: 64

約数和(自身を含む): 105563520

約数和(自身を除く): 74775000

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, 36653, 73306, 109959, 146612, 183265, 219918, 256571, 293224, 366530, 439836, 513142, 549795, 733060, 769713, 879672, 1026284, 1099590, 1282855, 1466120, 1539426, 2052568, 2199180, 2565710, 3078852, 3848565, 4398360, 5131420, 6157704, 7697130, 10262840, 15394260, 30788520]

約数ペア:

[(1, 30788520), (2, 15394260), (3, 10262840), (4, 7697130), (5, 6157704), (6, 5131420), (7, 4398360), (8, 3848565), (10, 3078852), (12, 2565710), (14, 2199180), (15, 2052568), (20, 1539426), (21, 1466120), (24, 1282855), (28, 1099590), (30, 1026284), (35, 879672), (40, 769713), (42, 733060), (56, 549795), (60, 513142), (70, 439836), (84, 366530), (105, 293224), (120, 256571), (140, 219918), (168, 183265), (210, 146612), (280, 109959), (420, 73306), (840, 36653)]