15660645

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 34473600

約数和(自身を除く): 18812955

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 49, 55, 65, 77, 91, 105, 143, 147, 149, 165, 195, 231, 245, 273, 385, 429, 447, 455, 539, 637, 715, 735, 745, 1001, 1043, 1155, 1365, 1617, 1639, 1911, 1937, 2145, 2235, 2695, 3003, 3129, 3185, 4917, 5005, 5215, 5811, 7007, 7301, 8085, 8195, 9555, 9685, 11473, 13559, 15015, 15645, 21021, 21307, 21903, 24585, 29055, 34419, 35035, 36505, 40677, 57365, 63921, 67795, 80311, 94913, 105105, 106535, 109515, 149149, 172095, 203385, 240933, 284739, 319605, 401555, 447447, 474565, 745745, 1044043, 1204665, 1423695, 2237235, 3132129, 5220215, 15660645]

約数ペア:

[(1, 15660645), (3, 5220215), (5, 3132129), (7, 2237235), (11, 1423695), (13, 1204665), (15, 1044043), (21, 745745), (33, 474565), (35, 447447), (39, 401555), (49, 319605), (55, 284739), (65, 240933), (77, 203385), (91, 172095), (105, 149149), (143, 109515), (147, 106535), (149, 105105), (165, 94913), (195, 80311), (231, 67795), (245, 63921), (273, 57365), (385, 40677), (429, 36505), (447, 35035), (455, 34419), (539, 29055), (637, 24585), (715, 21903), (735, 21307), (745, 21021), (1001, 15645), (1043, 15015), (1155, 13559), (1365, 11473), (1617, 9685), (1639, 9555), (1911, 8195), (1937, 8085), (2145, 7301), (2235, 7007), (2695, 5811), (3003, 5215), (3129, 5005), (3185, 4917)]