61393280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 162449280

約数和(自身を除く): 101056000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 157, 160, 188, 208, 235, 260, 314, 320, 376, 416, 470, 520, 611, 628, 640, 752, 785, 832, 940, 1040, 1222, 1256, 1504, 1570, 1664, 1880, 2041, 2080, 2444, 2512, 3008, 3055, 3140, 3760, 4082, 4160, 4888, 5024, 6016, 6110, 6280, 7379, 7520, 8164, 8320, 9776, 10048, 10205, 12220, 12560, 14758, 15040, 16328, 19552, 20096, 20410, 24440, 25120, 29516, 30080, 32656, 36895, 39104, 40820, 48880, 50240, 59032, 65312, 73790, 78208, 81640, 95927, 97760, 100480, 118064, 130624, 147580, 163280, 191854, 195520, 236128, 261248, 295160, 326560, 383708, 391040, 472256, 479635, 590320, 653120, 767416, 944512, 959270, 1180640, 1306240, 1534832, 1918540, 2361280, 3069664, 3837080, 4722560, 6139328, 7674160, 12278656, 15348320, 30696640, 61393280]

約数ペア:

[(1, 61393280), (2, 30696640), (4, 15348320), (5, 12278656), (8, 7674160), (10, 6139328), (13, 4722560), (16, 3837080), (20, 3069664), (26, 2361280), (32, 1918540), (40, 1534832), (47, 1306240), (52, 1180640), (64, 959270), (65, 944512), (80, 767416), (94, 653120), (104, 590320), (128, 479635), (130, 472256), (157, 391040), (160, 383708), (188, 326560), (208, 295160), (235, 261248), (260, 236128), (314, 195520), (320, 191854), (376, 163280), (416, 147580), (470, 130624), (520, 118064), (611, 100480), (628, 97760), (640, 95927), (752, 81640), (785, 78208), (832, 73790), (940, 65312), (1040, 59032), (1222, 50240), (1256, 48880), (1504, 40820), (1570, 39104), (1664, 36895), (1880, 32656), (2041, 30080), (2080, 29516), (2444, 25120), (2512, 24440), (3008, 20410), (3055, 20096), (3140, 19552), (3760, 16328), (4082, 15040), (4160, 14758), (4888, 12560), (5024, 12220), (6016, 10205), (6110, 10048), (6280, 9776), (7379, 8320), (7520, 8164)]