252540540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5417}}^1$

素因数の和:5476

約数の個数: 144

約数和(自身を含む): 899301312

約数和(自身を除く): 646760772

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 3108, 3330, 3885, 4662, 5180, 5417, 6660, 7770, 9324, 10834, 11655, 15540, 16251, 21668, 23310, 27085, 32502, 37919, 46620, 48753, 54170, 65004, 75838, 81255, 97506, 108340, 113757, 151676, 162510, 189595, 195012, 200429, 227514, 243765, 325020, 341271, 379190, 400858, 455028, 487530, 568785, 601287, 682542, 758380, 801716, 975060, 1002145, 1137570, 1202574, 1365084, 1403003, 1706355, 1803861, 2004290, 2275140, 2405148, 2806006, 3006435, 3412710, 3607722, 4008580, 4209009, 5612012, 6012870, 6825420, 7015015, 7215444, 8418018, 9019305, 12025740, 12627027, 14030030, 16836036, 18038610, 21045045, 25254054, 28060060, 36077220, 42090090, 50508108, 63135135, 84180180, 126270270, 252540540]

約数ペア:

[(1, 252540540), (2, 126270270), (3, 84180180), (4, 63135135), (5, 50508108), (6, 42090090), (7, 36077220), (9, 28060060), (10, 25254054), (12, 21045045), (14, 18038610), (15, 16836036), (18, 14030030), (20, 12627027), (21, 12025740), (28, 9019305), (30, 8418018), (35, 7215444), (36, 7015015), (37, 6825420), (42, 6012870), (45, 5612012), (60, 4209009), (63, 4008580), (70, 3607722), (74, 3412710), (84, 3006435), (90, 2806006), (105, 2405148), (111, 2275140), (126, 2004290), (140, 1803861), (148, 1706355), (180, 1403003), (185, 1365084), (210, 1202574), (222, 1137570), (252, 1002145), (259, 975060), (315, 801716), (333, 758380), (370, 682542), (420, 601287), (444, 568785), (518, 487530), (555, 455028), (630, 400858), (666, 379190), (740, 341271), (777, 325020), (1036, 243765), (1110, 227514), (1260, 200429), (1295, 195012), (1332, 189595), (1554, 162510), (1665, 151676), (2220, 113757), (2331, 108340), (2590, 97506), (3108, 81255), (3330, 75838), (3885, 65004), (4662, 54170), (5180, 48753), (5417, 46620), (6660, 37919), (7770, 32502), (9324, 27085), (10834, 23310), (11655, 21668), (15540, 16251)]