161421372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10501}}^1$

素因数の和:10579

約数の個数: 72

約数和(自身を含む): 474018272

約数和(自身を除く): 312596900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 7686, 10501, 15372, 21002, 31503, 42004, 63006, 73507, 94509, 126012, 147014, 189018, 220521, 294028, 378036, 441042, 640561, 661563, 882084, 1281122, 1323126, 1921683, 2562244, 2646252, 3843366, 4483927, 5765049, 7686732, 8967854, 11530098, 13451781, 17935708, 23060196, 26903562, 40355343, 53807124, 80710686, 161421372]

約数ペア:

[(1, 161421372), (2, 80710686), (3, 53807124), (4, 40355343), (6, 26903562), (7, 23060196), (9, 17935708), (12, 13451781), (14, 11530098), (18, 8967854), (21, 7686732), (28, 5765049), (36, 4483927), (42, 3843366), (61, 2646252), (63, 2562244), (84, 1921683), (122, 1323126), (126, 1281122), (183, 882084), (244, 661563), (252, 640561), (366, 441042), (427, 378036), (549, 294028), (732, 220521), (854, 189018), (1098, 147014), (1281, 126012), (1708, 94509), (2196, 73507), (2562, 63006), (3843, 42004), (5124, 31503), (7686, 21002), (10501, 15372)]