31321290

素因数分解:

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

素因数の和:197

約数の個数: 192

約数和(自身を含む): 103420800

約数和(自身を除く): 72099510

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 49, 55, 65, 66, 70, 77, 78, 91, 98, 105, 110, 130, 143, 147, 149, 154, 165, 182, 195, 210, 231, 245, 273, 286, 294, 298, 330, 385, 390, 429, 447, 455, 462, 490, 539, 546, 637, 715, 735, 745, 770, 858, 894, 910, 1001, 1043, 1078, 1155, 1274, 1365, 1430, 1470, 1490, 1617, 1639, 1911, 1937, 2002, 2086, 2145, 2235, 2310, 2695, 2730, 3003, 3129, 3185, 3234, 3278, 3822, 3874, 4290, 4470, 4917, 5005, 5215, 5390, 5811, 6006, 6258, 6370, 7007, 7301, 8085, 8195, 9555, 9685, 9834, 10010, 10430, 11473, 11622, 13559, 14014, 14602, 15015, 15645, 16170, 16390, 19110, 19370, 21021, 21307, 21903, 22946, 24585, 27118, 29055, 30030, 31290, 34419, 35035, 36505, 40677, 42042, 42614, 43806, 49170, 57365, 58110, 63921, 67795, 68838, 70070, 73010, 80311, 81354, 94913, 105105, 106535, 109515, 114730, 127842, 135590, 149149, 160622, 172095, 189826, 203385, 210210, 213070, 219030, 240933, 284739, 298298, 319605, 344190, 401555, 406770, 447447, 474565, 481866, 569478, 639210, 745745, 803110, 894894, 949130, 1044043, 1204665, 1423695, 1491490, 2088086, 2237235, 2409330, 2847390, 3132129, 4474470, 5220215, 6264258, 10440430, 15660645, 31321290]

約数ペア:

[(1, 31321290), (2, 15660645), (3, 10440430), (5, 6264258), (6, 5220215), (7, 4474470), (10, 3132129), (11, 2847390), (13, 2409330), (14, 2237235), (15, 2088086), (21, 1491490), (22, 1423695), (26, 1204665), (30, 1044043), (33, 949130), (35, 894894), (39, 803110), (42, 745745), (49, 639210), (55, 569478), (65, 481866), (66, 474565), (70, 447447), (77, 406770), (78, 401555), (91, 344190), (98, 319605), (105, 298298), (110, 284739), (130, 240933), (143, 219030), (147, 213070), (149, 210210), (154, 203385), (165, 189826), (182, 172095), (195, 160622), (210, 149149), (231, 135590), (245, 127842), (273, 114730), (286, 109515), (294, 106535), (298, 105105), (330, 94913), (385, 81354), (390, 80311), (429, 73010), (447, 70070), (455, 68838), (462, 67795), (490, 63921), (539, 58110), (546, 57365), (637, 49170), (715, 43806), (735, 42614), (745, 42042), (770, 40677), (858, 36505), (894, 35035), (910, 34419), (1001, 31290), (1043, 30030), (1078, 29055), (1155, 27118), (1274, 24585), (1365, 22946), (1430, 21903), (1470, 21307), (1490, 21021), (1617, 19370), (1639, 19110), (1911, 16390), (1937, 16170), (2002, 15645), (2086, 15015), (2145, 14602), (2235, 14014), (2310, 13559), (2695, 11622), (2730, 11473), (3003, 10430), (3129, 10010), (3185, 9834), (3234, 9685), (3278, 9555), (3822, 8195), (3874, 8085), (4290, 7301), (4470, 7007), (4917, 6370), (5005, 6258), (5215, 6006), (5390, 5811)]