320470436

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 698909148

約数和(自身を除く): 378438712

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 53, 62, 106, 121, 124, 143, 212, 242, 286, 341, 403, 484, 572, 583, 682, 689, 806, 961, 1166, 1364, 1378, 1573, 1612, 1643, 1922, 2332, 2756, 3146, 3286, 3751, 3844, 4433, 6292, 6413, 6572, 7502, 7579, 8866, 10571, 12493, 12826, 15004, 15158, 17732, 18073, 21142, 21359, 24986, 25652, 30316, 36146, 42284, 42718, 48763, 49972, 50933, 72292, 83369, 85436, 97526, 101866, 116281, 137423, 166738, 195052, 198803, 203732, 232562, 234949, 274846, 333476, 397606, 465124, 469898, 549692, 560263, 662129, 795212, 939796, 1120526, 1324258, 1511653, 2241052, 2584439, 2648516, 3023306, 5168878, 6046612, 6162893, 7283419, 10337756, 12325786, 14566838, 24651572, 29133676, 80117609, 160235218, 320470436]

約数ペア:

[(1, 320470436), (2, 160235218), (4, 80117609), (11, 29133676), (13, 24651572), (22, 14566838), (26, 12325786), (31, 10337756), (44, 7283419), (52, 6162893), (53, 6046612), (62, 5168878), (106, 3023306), (121, 2648516), (124, 2584439), (143, 2241052), (212, 1511653), (242, 1324258), (286, 1120526), (341, 939796), (403, 795212), (484, 662129), (572, 560263), (583, 549692), (682, 469898), (689, 465124), (806, 397606), (961, 333476), (1166, 274846), (1364, 234949), (1378, 232562), (1573, 203732), (1612, 198803), (1643, 195052), (1922, 166738), (2332, 137423), (2756, 116281), (3146, 101866), (3286, 97526), (3751, 85436), (3844, 83369), (4433, 72292), (6292, 50933), (6413, 49972), (6572, 48763), (7502, 42718), (7579, 42284), (8866, 36146), (10571, 30316), (12493, 25652), (12826, 24986), (15004, 21359), (15158, 21142), (17732, 18073)]