18988578120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{26861}}^1$

素因数の和:27055

約数の個数: 128

約数和(自身を含む): 58718183040

約数和(自身を除く): 39729604920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 137, 172, 215, 258, 274, 344, 411, 430, 516, 548, 645, 685, 822, 860, 1032, 1096, 1290, 1370, 1644, 1720, 2055, 2580, 2740, 3288, 4110, 5160, 5480, 5891, 8220, 11782, 16440, 17673, 23564, 26861, 29455, 35346, 47128, 53722, 58910, 70692, 80583, 88365, 107444, 117820, 134305, 141384, 161166, 176730, 214888, 235640, 268610, 322332, 353460, 402915, 537220, 644664, 706920, 805830, 1074440, 1155023, 1611660, 2310046, 3223320, 3465069, 3679957, 4620092, 5775115, 6930138, 7359914, 9240184, 11039871, 11550230, 13860276, 14719828, 17325345, 18399785, 22079742, 23100460, 27720552, 29439656, 34650690, 36799570, 44159484, 46200920, 55199355, 69301380, 73599140, 88318968, 110398710, 138602760, 147198280, 158238151, 220797420, 316476302, 441594840, 474714453, 632952604, 791190755, 949428906, 1265905208, 1582381510, 1898857812, 2373572265, 3164763020, 3797715624, 4747144530, 6329526040, 9494289060, 18988578120]

約数ペア:

[(1, 18988578120), (2, 9494289060), (3, 6329526040), (4, 4747144530), (5, 3797715624), (6, 3164763020), (8, 2373572265), (10, 1898857812), (12, 1582381510), (15, 1265905208), (20, 949428906), (24, 791190755), (30, 632952604), (40, 474714453), (43, 441594840), (60, 316476302), (86, 220797420), (120, 158238151), (129, 147198280), (137, 138602760), (172, 110398710), (215, 88318968), (258, 73599140), (274, 69301380), (344, 55199355), (411, 46200920), (430, 44159484), (516, 36799570), (548, 34650690), (645, 29439656), (685, 27720552), (822, 23100460), (860, 22079742), (1032, 18399785), (1096, 17325345), (1290, 14719828), (1370, 13860276), (1644, 11550230), (1720, 11039871), (2055, 9240184), (2580, 7359914), (2740, 6930138), (3288, 5775115), (4110, 4620092), (5160, 3679957), (5480, 3465069), (5891, 3223320), (8220, 2310046), (11782, 1611660), (16440, 1155023), (17673, 1074440), (23564, 805830), (26861, 706920), (29455, 644664), (35346, 537220), (47128, 402915), (53722, 353460), (58910, 322332), (70692, 268610), (80583, 235640), (88365, 214888), (107444, 176730), (117820, 161166), (134305, 141384)]