30876580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 79478784

約数和(自身を除く): 48602204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 43, 46, 70, 86, 92, 115, 140, 161, 172, 215, 223, 230, 301, 322, 430, 446, 460, 602, 644, 805, 860, 892, 989, 1115, 1204, 1505, 1561, 1610, 1978, 2230, 3010, 3122, 3220, 3956, 4460, 4945, 5129, 6020, 6244, 6923, 7805, 9589, 9890, 10258, 13846, 15610, 19178, 19780, 20516, 25645, 27692, 31220, 34615, 35903, 38356, 47945, 51290, 67123, 69230, 71806, 95890, 102580, 134246, 138460, 143612, 179515, 191780, 220547, 268492, 335615, 359030, 441094, 671230, 718060, 882188, 1102735, 1342460, 1543829, 2205470, 3087658, 4410940, 6175316, 7719145, 15438290, 30876580]

約数ペア:

[(1, 30876580), (2, 15438290), (4, 7719145), (5, 6175316), (7, 4410940), (10, 3087658), (14, 2205470), (20, 1543829), (23, 1342460), (28, 1102735), (35, 882188), (43, 718060), (46, 671230), (70, 441094), (86, 359030), (92, 335615), (115, 268492), (140, 220547), (161, 191780), (172, 179515), (215, 143612), (223, 138460), (230, 134246), (301, 102580), (322, 95890), (430, 71806), (446, 69230), (460, 67123), (602, 51290), (644, 47945), (805, 38356), (860, 35903), (892, 34615), (989, 31220), (1115, 27692), (1204, 25645), (1505, 20516), (1561, 19780), (1610, 19178), (1978, 15610), (2230, 13846), (3010, 10258), (3122, 9890), (3220, 9589), (3956, 7805), (4460, 6923), (4945, 6244), (5129, 6020)]