66115840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 186020352

約数和(自身を除く): 119904512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 157, 160, 188, 224, 235, 256, 280, 314, 320, 329, 376, 448, 470, 560, 628, 640, 658, 752, 785, 896, 940, 1099, 1120, 1256, 1280, 1316, 1504, 1570, 1645, 1792, 1880, 2198, 2240, 2512, 2632, 3008, 3140, 3290, 3760, 4396, 4480, 5024, 5264, 5495, 6016, 6280, 6580, 7379, 7520, 8792, 8960, 10048, 10528, 10990, 12032, 12560, 13160, 14758, 15040, 17584, 20096, 21056, 21980, 25120, 26320, 29516, 30080, 35168, 36895, 40192, 42112, 43960, 50240, 51653, 52640, 59032, 60160, 70336, 73790, 84224, 87920, 100480, 103306, 105280, 118064, 140672, 147580, 175840, 200960, 206612, 210560, 236128, 258265, 281344, 295160, 351680, 413224, 421120, 472256, 516530, 590320, 703360, 826448, 944512, 1033060, 1180640, 1406720, 1652896, 1889024, 2066120, 2361280, 3305792, 4132240, 4722560, 6611584, 8264480, 9445120, 13223168, 16528960, 33057920, 66115840]

約数ペア:

[(1, 66115840), (2, 33057920), (4, 16528960), (5, 13223168), (7, 9445120), (8, 8264480), (10, 6611584), (14, 4722560), (16, 4132240), (20, 3305792), (28, 2361280), (32, 2066120), (35, 1889024), (40, 1652896), (47, 1406720), (56, 1180640), (64, 1033060), (70, 944512), (80, 826448), (94, 703360), (112, 590320), (128, 516530), (140, 472256), (157, 421120), (160, 413224), (188, 351680), (224, 295160), (235, 281344), (256, 258265), (280, 236128), (314, 210560), (320, 206612), (329, 200960), (376, 175840), (448, 147580), (470, 140672), (560, 118064), (628, 105280), (640, 103306), (658, 100480), (752, 87920), (785, 84224), (896, 73790), (940, 70336), (1099, 60160), (1120, 59032), (1256, 52640), (1280, 51653), (1316, 50240), (1504, 43960), (1570, 42112), (1645, 40192), (1792, 36895), (1880, 35168), (2198, 30080), (2240, 29516), (2512, 26320), (2632, 25120), (3008, 21980), (3140, 21056), (3290, 20096), (3760, 17584), (4396, 15040), (4480, 14758), (5024, 13160), (5264, 12560), (5495, 12032), (6016, 10990), (6280, 10528), (6580, 10048), (7379, 8960), (7520, 8792)]