181252960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 144

約数和(自身を含む): 507623760

約数和(自身を除く): 326370800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 160, 196, 224, 244, 245, 280, 305, 379, 392, 427, 488, 490, 560, 610, 758, 784, 854, 976, 980, 1120, 1220, 1516, 1568, 1708, 1895, 1952, 1960, 2135, 2440, 2653, 2989, 3032, 3416, 3790, 3920, 4270, 4880, 5306, 5978, 6064, 6832, 7580, 7840, 8540, 9760, 10612, 11956, 12128, 13265, 13664, 14945, 15160, 17080, 18571, 21224, 23119, 23912, 26530, 29890, 30320, 34160, 37142, 42448, 46238, 47824, 53060, 59780, 60640, 68320, 74284, 84896, 92476, 92855, 95648, 106120, 115595, 119560, 148568, 161833, 184952, 185710, 212240, 231190, 239120, 297136, 323666, 369904, 371420, 424480, 462380, 478240, 594272, 647332, 739808, 742840, 809165, 924760, 1132831, 1294664, 1485680, 1618330, 1849520, 2265662, 2589328, 2971360, 3236660, 3699040, 4531324, 5178656, 5664155, 6473320, 9062648, 11328310, 12946640, 18125296, 22656620, 25893280, 36250592, 45313240, 90626480, 181252960]

約数ペア:

[(1, 181252960), (2, 90626480), (4, 45313240), (5, 36250592), (7, 25893280), (8, 22656620), (10, 18125296), (14, 12946640), (16, 11328310), (20, 9062648), (28, 6473320), (32, 5664155), (35, 5178656), (40, 4531324), (49, 3699040), (56, 3236660), (61, 2971360), (70, 2589328), (80, 2265662), (98, 1849520), (112, 1618330), (122, 1485680), (140, 1294664), (160, 1132831), (196, 924760), (224, 809165), (244, 742840), (245, 739808), (280, 647332), (305, 594272), (379, 478240), (392, 462380), (427, 424480), (488, 371420), (490, 369904), (560, 323666), (610, 297136), (758, 239120), (784, 231190), (854, 212240), (976, 185710), (980, 184952), (1120, 161833), (1220, 148568), (1516, 119560), (1568, 115595), (1708, 106120), (1895, 95648), (1952, 92855), (1960, 92476), (2135, 84896), (2440, 74284), (2653, 68320), (2989, 60640), (3032, 59780), (3416, 53060), (3790, 47824), (3920, 46238), (4270, 42448), (4880, 37142), (5306, 34160), (5978, 30320), (6064, 29890), (6832, 26530), (7580, 23912), (7840, 23119), (8540, 21224), (9760, 18571), (10612, 17080), (11956, 15160), (12128, 14945), (13265, 13664)]