231109520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 579296256

約数和(自身を除く): 348186736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 127, 172, 184, 215, 230, 254, 344, 368, 430, 460, 508, 529, 635, 688, 860, 920, 989, 1016, 1058, 1270, 1720, 1840, 1978, 2032, 2116, 2540, 2645, 2921, 3440, 3956, 4232, 4945, 5080, 5290, 5461, 5842, 7912, 8464, 9890, 10160, 10580, 10922, 11684, 14605, 15824, 19780, 21160, 21844, 22747, 23368, 27305, 29210, 39560, 42320, 43688, 45494, 46736, 54610, 58420, 67183, 79120, 87376, 90988, 109220, 113735, 116840, 125603, 134366, 181976, 218440, 227470, 233680, 251206, 268732, 335915, 363952, 436880, 454940, 502412, 537464, 628015, 671830, 909880, 1004824, 1074928, 1256030, 1343660, 1819760, 2009648, 2512060, 2687320, 2888869, 5024120, 5374640, 5777738, 10048240, 11555476, 14444345, 23110952, 28888690, 46221904, 57777380, 115554760, 231109520]

約数ペア:

[(1, 231109520), (2, 115554760), (4, 57777380), (5, 46221904), (8, 28888690), (10, 23110952), (16, 14444345), (20, 11555476), (23, 10048240), (40, 5777738), (43, 5374640), (46, 5024120), (80, 2888869), (86, 2687320), (92, 2512060), (115, 2009648), (127, 1819760), (172, 1343660), (184, 1256030), (215, 1074928), (230, 1004824), (254, 909880), (344, 671830), (368, 628015), (430, 537464), (460, 502412), (508, 454940), (529, 436880), (635, 363952), (688, 335915), (860, 268732), (920, 251206), (989, 233680), (1016, 227470), (1058, 218440), (1270, 181976), (1720, 134366), (1840, 125603), (1978, 116840), (2032, 113735), (2116, 109220), (2540, 90988), (2645, 87376), (2921, 79120), (3440, 67183), (3956, 58420), (4232, 54610), (4945, 46736), (5080, 45494), (5290, 43688), (5461, 42320), (5842, 39560), (7912, 29210), (8464, 27305), (9890, 23368), (10160, 22747), (10580, 21844), (10922, 21160), (11684, 19780), (14605, 15824)]