161724780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3469}}^1$

素因数の和:3528

約数の個数: 144

約数和(自身を含む): 575964480

約数和(自身を除く): 414239700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 3108, 3330, 3469, 3885, 4662, 5180, 6660, 6938, 7770, 9324, 10407, 11655, 13876, 15540, 17345, 20814, 23310, 24283, 31221, 34690, 41628, 46620, 48566, 52035, 62442, 69380, 72849, 97132, 104070, 121415, 124884, 128353, 145698, 156105, 208140, 218547, 242830, 256706, 291396, 312210, 364245, 385059, 437094, 485660, 513412, 624420, 641765, 728490, 770118, 874188, 898471, 1092735, 1155177, 1283530, 1456980, 1540236, 1796942, 1925295, 2185470, 2310354, 2567060, 2695413, 3593884, 3850590, 4370940, 4492355, 4620708, 5390826, 5775885, 7701180, 8086239, 8984710, 10781652, 11551770, 13477065, 16172478, 17969420, 23103540, 26954130, 32344956, 40431195, 53908260, 80862390, 161724780]

約数ペア:

[(1, 161724780), (2, 80862390), (3, 53908260), (4, 40431195), (5, 32344956), (6, 26954130), (7, 23103540), (9, 17969420), (10, 16172478), (12, 13477065), (14, 11551770), (15, 10781652), (18, 8984710), (20, 8086239), (21, 7701180), (28, 5775885), (30, 5390826), (35, 4620708), (36, 4492355), (37, 4370940), (42, 3850590), (45, 3593884), (60, 2695413), (63, 2567060), (70, 2310354), (74, 2185470), (84, 1925295), (90, 1796942), (105, 1540236), (111, 1456980), (126, 1283530), (140, 1155177), (148, 1092735), (180, 898471), (185, 874188), (210, 770118), (222, 728490), (252, 641765), (259, 624420), (315, 513412), (333, 485660), (370, 437094), (420, 385059), (444, 364245), (518, 312210), (555, 291396), (630, 256706), (666, 242830), (740, 218547), (777, 208140), (1036, 156105), (1110, 145698), (1260, 128353), (1295, 124884), (1332, 121415), (1554, 104070), (1665, 97132), (2220, 72849), (2331, 69380), (2590, 62442), (3108, 52035), (3330, 48566), (3469, 46620), (3885, 41628), (4662, 34690), (5180, 31221), (6660, 24283), (6938, 23310), (7770, 20814), (9324, 17345), (10407, 15540), (11655, 13876)]