681359280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{941}}^1$

素因数の和:1395

約数の個数: 160

約数和(自身を含む): 2422130688

約数和(自身を除く): 1740771408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 431, 560, 840, 862, 941, 1293, 1680, 1724, 1882, 2155, 2586, 2823, 3017, 3448, 3764, 4310, 4705, 5172, 5646, 6034, 6465, 6587, 6896, 7528, 8620, 9051, 9410, 10344, 11292, 12068, 12930, 13174, 14115, 15056, 15085, 17240, 18102, 18820, 19761, 20688, 22584, 24136, 25860, 26348, 28230, 30170, 32935, 34480, 36204, 37640, 39522, 45168, 45255, 48272, 51720, 52696, 56460, 60340, 65870, 72408, 75280, 79044, 90510, 98805, 103440, 105392, 112920, 120680, 131740, 144816, 158088, 181020, 197610, 225840, 241360, 263480, 316176, 362040, 395220, 405571, 526960, 724080, 790440, 811142, 1216713, 1580880, 1622284, 2027855, 2433426, 2838997, 3244568, 4055710, 4866852, 5677994, 6083565, 6489136, 8111420, 8516991, 9733704, 11355988, 12167130, 14194985, 16222840, 17033982, 19467408, 22711976, 24334260, 28389970, 32445680, 34067964, 42584955, 45423952, 48668520, 56779940, 68135928, 85169910, 97337040, 113559880, 136271856, 170339820, 227119760, 340679640, 681359280]

約数ペア:

[(1, 681359280), (2, 340679640), (3, 227119760), (4, 170339820), (5, 136271856), (6, 113559880), (7, 97337040), (8, 85169910), (10, 68135928), (12, 56779940), (14, 48668520), (15, 45423952), (16, 42584955), (20, 34067964), (21, 32445680), (24, 28389970), (28, 24334260), (30, 22711976), (35, 19467408), (40, 17033982), (42, 16222840), (48, 14194985), (56, 12167130), (60, 11355988), (70, 9733704), (80, 8516991), (84, 8111420), (105, 6489136), (112, 6083565), (120, 5677994), (140, 4866852), (168, 4055710), (210, 3244568), (240, 2838997), (280, 2433426), (336, 2027855), (420, 1622284), (431, 1580880), (560, 1216713), (840, 811142), (862, 790440), (941, 724080), (1293, 526960), (1680, 405571), (1724, 395220), (1882, 362040), (2155, 316176), (2586, 263480), (2823, 241360), (3017, 225840), (3448, 197610), (3764, 181020), (4310, 158088), (4705, 144816), (5172, 131740), (5646, 120680), (6034, 112920), (6465, 105392), (6587, 103440), (6896, 98805), (7528, 90510), (8620, 79044), (9051, 75280), (9410, 72408), (10344, 65870), (11292, 60340), (12068, 56460), (12930, 52696), (13174, 51720), (14115, 48272), (15056, 45255), (15085, 45168), (17240, 39522), (18102, 37640), (18820, 36204), (19761, 34480), (20688, 32935), (22584, 30170), (24136, 28230), (25860, 26348)]