639318120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33091}}^1$

素因数の和:33135

約数の個数: 128

約数和(自身を含む): 2287319040

約数和(自身を除く): 1648000920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 33091, 66182, 99273, 132364, 165455, 198546, 231637, 264728, 330910, 397092, 463274, 496365, 661820, 694911, 761093, 794184, 926548, 992730, 1158185, 1323640, 1389822, 1522186, 1853096, 1985460, 2283279, 2316370, 2779644, 3044372, 3474555, 3805465, 3970920, 4566558, 4632740, 5327651, 5559288, 6088744, 6949110, 7610930, 9133116, 9265480, 10655302, 11416395, 13898220, 15221860, 15982953, 18266232, 21310604, 22832790, 26638255, 27796440, 30443720, 31965906, 42621208, 45665580, 53276510, 63931812, 79914765, 91331160, 106553020, 127863624, 159829530, 213106040, 319659060, 639318120]

約数ペア:

[(1, 639318120), (2, 319659060), (3, 213106040), (4, 159829530), (5, 127863624), (6, 106553020), (7, 91331160), (8, 79914765), (10, 63931812), (12, 53276510), (14, 45665580), (15, 42621208), (20, 31965906), (21, 30443720), (23, 27796440), (24, 26638255), (28, 22832790), (30, 21310604), (35, 18266232), (40, 15982953), (42, 15221860), (46, 13898220), (56, 11416395), (60, 10655302), (69, 9265480), (70, 9133116), (84, 7610930), (92, 6949110), (105, 6088744), (115, 5559288), (120, 5327651), (138, 4632740), (140, 4566558), (161, 3970920), (168, 3805465), (184, 3474555), (210, 3044372), (230, 2779644), (276, 2316370), (280, 2283279), (322, 1985460), (345, 1853096), (420, 1522186), (460, 1389822), (483, 1323640), (552, 1158185), (644, 992730), (690, 926548), (805, 794184), (840, 761093), (920, 694911), (966, 661820), (1288, 496365), (1380, 463274), (1610, 397092), (1932, 330910), (2415, 264728), (2760, 231637), (3220, 198546), (3864, 165455), (4830, 132364), (6440, 99273), (9660, 66182), (19320, 33091)]