18493997120

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{9949}}^1$

素因数の和:10160

約数の個数: 112

約数和(自身を含む): 45521727600

約数和(自身を除く): 27027730480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 157, 160, 185, 296, 314, 320, 370, 592, 628, 740, 785, 1184, 1256, 1480, 1570, 2368, 2512, 2960, 3140, 5024, 5809, 5920, 6280, 9949, 10048, 11618, 11840, 12560, 19898, 23236, 25120, 29045, 39796, 46472, 49745, 50240, 58090, 79592, 92944, 99490, 116180, 159184, 185888, 198980, 232360, 318368, 368113, 371776, 397960, 464720, 636736, 736226, 795920, 929440, 1472452, 1561993, 1591840, 1840565, 1858880, 2944904, 3123986, 3183680, 3681130, 5889808, 6247972, 7362260, 7809965, 11779616, 12495944, 14724520, 15619930, 23559232, 24991888, 29449040, 31239860, 49983776, 57793741, 58898080, 62479720, 99967552, 115587482, 117796160, 124959440, 231174964, 249918880, 288968705, 462349928, 499837760, 577937410, 924699856, 1155874820, 1849399712, 2311749640, 3698799424, 4623499280, 9246998560, 18493997120]

約数ペア:

[(1, 18493997120), (2, 9246998560), (4, 4623499280), (5, 3698799424), (8, 2311749640), (10, 1849399712), (16, 1155874820), (20, 924699856), (32, 577937410), (37, 499837760), (40, 462349928), (64, 288968705), (74, 249918880), (80, 231174964), (148, 124959440), (157, 117796160), (160, 115587482), (185, 99967552), (296, 62479720), (314, 58898080), (320, 57793741), (370, 49983776), (592, 31239860), (628, 29449040), (740, 24991888), (785, 23559232), (1184, 15619930), (1256, 14724520), (1480, 12495944), (1570, 11779616), (2368, 7809965), (2512, 7362260), (2960, 6247972), (3140, 5889808), (5024, 3681130), (5809, 3183680), (5920, 3123986), (6280, 2944904), (9949, 1858880), (10048, 1840565), (11618, 1591840), (11840, 1561993), (12560, 1472452), (19898, 929440), (23236, 795920), (25120, 736226), (29045, 636736), (39796, 464720), (46472, 397960), (49745, 371776), (50240, 368113), (58090, 318368), (79592, 232360), (92944, 198980), (99490, 185888), (116180, 159184)]