64740720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 221771520

約数和(自身を除く): 157030800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 137, 165, 176, 179, 220, 240, 264, 274, 330, 358, 411, 440, 528, 537, 548, 660, 685, 716, 822, 880, 895, 1074, 1096, 1320, 1370, 1432, 1507, 1644, 1790, 1969, 2055, 2148, 2192, 2640, 2685, 2740, 2864, 3014, 3288, 3580, 3938, 4110, 4296, 4521, 5370, 5480, 5907, 6028, 6576, 7160, 7535, 7876, 8220, 8592, 9042, 9845, 10740, 10960, 11814, 12056, 14320, 15070, 15752, 16440, 18084, 19690, 21480, 22605, 23628, 24112, 24523, 29535, 30140, 31504, 32880, 36168, 39380, 42960, 45210, 47256, 49046, 59070, 60280, 72336, 73569, 78760, 90420, 94512, 98092, 118140, 120560, 122615, 147138, 157520, 180840, 196184, 236280, 245230, 269753, 294276, 361680, 367845, 392368, 472560, 490460, 539506, 588552, 735690, 809259, 980920, 1079012, 1177104, 1348765, 1471380, 1618518, 1961840, 2158024, 2697530, 2942760, 3237036, 4046295, 4316048, 5395060, 5885520, 6474072, 8092590, 10790120, 12948144, 16185180, 21580240, 32370360, 64740720]

約数ペア:

[(1, 64740720), (2, 32370360), (3, 21580240), (4, 16185180), (5, 12948144), (6, 10790120), (8, 8092590), (10, 6474072), (11, 5885520), (12, 5395060), (15, 4316048), (16, 4046295), (20, 3237036), (22, 2942760), (24, 2697530), (30, 2158024), (33, 1961840), (40, 1618518), (44, 1471380), (48, 1348765), (55, 1177104), (60, 1079012), (66, 980920), (80, 809259), (88, 735690), (110, 588552), (120, 539506), (132, 490460), (137, 472560), (165, 392368), (176, 367845), (179, 361680), (220, 294276), (240, 269753), (264, 245230), (274, 236280), (330, 196184), (358, 180840), (411, 157520), (440, 147138), (528, 122615), (537, 120560), (548, 118140), (660, 98092), (685, 94512), (716, 90420), (822, 78760), (880, 73569), (895, 72336), (1074, 60280), (1096, 59070), (1320, 49046), (1370, 47256), (1432, 45210), (1507, 42960), (1644, 39380), (1790, 36168), (1969, 32880), (2055, 31504), (2148, 30140), (2192, 29535), (2640, 24523), (2685, 24112), (2740, 23628), (2864, 22605), (3014, 21480), (3288, 19690), (3580, 18084), (3938, 16440), (4110, 15752), (4296, 15070), (4521, 14320), (5370, 12056), (5480, 11814), (5907, 10960), (6028, 10740), (6576, 9845), (7160, 9042), (7535, 8592), (7876, 8220)]