87078320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1187}}^1$

素因数の和:1338

約数の個数: 80

約数和(自身を含む): 233342208

約数和(自身を除く): 146263888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1187, 1310, 1834, 2096, 2374, 2620, 3668, 4585, 4748, 5240, 5935, 7336, 8309, 9170, 9496, 10480, 11870, 14672, 16618, 18340, 18992, 23740, 33236, 36680, 41545, 47480, 66472, 73360, 83090, 94960, 132944, 155497, 166180, 310994, 332360, 621988, 664720, 777485, 1088479, 1243976, 1554970, 2176958, 2487952, 3109940, 4353916, 5442395, 6219880, 8707832, 10884790, 12439760, 17415664, 21769580, 43539160, 87078320]

約数ペア:

[(1, 87078320), (2, 43539160), (4, 21769580), (5, 17415664), (7, 12439760), (8, 10884790), (10, 8707832), (14, 6219880), (16, 5442395), (20, 4353916), (28, 3109940), (35, 2487952), (40, 2176958), (56, 1554970), (70, 1243976), (80, 1088479), (112, 777485), (131, 664720), (140, 621988), (262, 332360), (280, 310994), (524, 166180), (560, 155497), (655, 132944), (917, 94960), (1048, 83090), (1187, 73360), (1310, 66472), (1834, 47480), (2096, 41545), (2374, 36680), (2620, 33236), (3668, 23740), (4585, 18992), (4748, 18340), (5240, 16618), (5935, 14672), (7336, 11870), (8309, 10480), (9170, 9496)]