64980720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{12893}}^1$

素因数の和:12919

約数の個数: 120

約数和(自身を含む): 249421536

約数和(自身を除く): 184440816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 12893, 25786, 38679, 51572, 64465, 77358, 90251, 103144, 116037, 128930, 154716, 180502, 193395, 206288, 232074, 257860, 270753, 309432, 361004, 386790, 451255, 464148, 515720, 541506, 580185, 618864, 722008, 773580, 812259, 902510, 928296, 1031440, 1083012, 1160370, 1353765, 1444016, 1547160, 1624518, 1805020, 1856592, 2166024, 2320740, 2707530, 3094320, 3249036, 3610040, 4061295, 4332048, 4641480, 5415060, 6498072, 7220080, 8122590, 9282960, 10830120, 12996144, 16245180, 21660240, 32490360, 64980720]

約数ペア:

[(1, 64980720), (2, 32490360), (3, 21660240), (4, 16245180), (5, 12996144), (6, 10830120), (7, 9282960), (8, 8122590), (9, 7220080), (10, 6498072), (12, 5415060), (14, 4641480), (15, 4332048), (16, 4061295), (18, 3610040), (20, 3249036), (21, 3094320), (24, 2707530), (28, 2320740), (30, 2166024), (35, 1856592), (36, 1805020), (40, 1624518), (42, 1547160), (45, 1444016), (48, 1353765), (56, 1160370), (60, 1083012), (63, 1031440), (70, 928296), (72, 902510), (80, 812259), (84, 773580), (90, 722008), (105, 618864), (112, 580185), (120, 541506), (126, 515720), (140, 464148), (144, 451255), (168, 386790), (180, 361004), (210, 309432), (240, 270753), (252, 257860), (280, 232074), (315, 206288), (336, 193395), (360, 180502), (420, 154716), (504, 128930), (560, 116037), (630, 103144), (720, 90251), (840, 77358), (1008, 64465), (1260, 51572), (1680, 38679), (2520, 25786), (5040, 12893)]