128990640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{5023}}^1$

素因数の和:5146

約数の個数: 80

約数和(自身を含む): 403688448

約数和(自身を除く): 274697808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2568, 3210, 4280, 5023, 5136, 6420, 8560, 10046, 12840, 15069, 20092, 25115, 25680, 30138, 40184, 50230, 60276, 75345, 80368, 100460, 120552, 150690, 200920, 241104, 301380, 401840, 537461, 602760, 1074922, 1205520, 1612383, 2149844, 2687305, 3224766, 4299688, 5374610, 6449532, 8061915, 8599376, 10749220, 12899064, 16123830, 21498440, 25798128, 32247660, 42996880, 64495320, 128990640]

約数ペア:

[(1, 128990640), (2, 64495320), (3, 42996880), (4, 32247660), (5, 25798128), (6, 21498440), (8, 16123830), (10, 12899064), (12, 10749220), (15, 8599376), (16, 8061915), (20, 6449532), (24, 5374610), (30, 4299688), (40, 3224766), (48, 2687305), (60, 2149844), (80, 1612383), (107, 1205520), (120, 1074922), (214, 602760), (240, 537461), (321, 401840), (428, 301380), (535, 241104), (642, 200920), (856, 150690), (1070, 120552), (1284, 100460), (1605, 80368), (1712, 75345), (2140, 60276), (2568, 50230), (3210, 40184), (4280, 30138), (5023, 25680), (5136, 25115), (6420, 20092), (8560, 15069), (10046, 12840)]