159571720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:635

約数の個数: 128

約数和(自身を含む): 452874240

約数和(自身を除く): 293302520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 103, 110, 140, 154, 206, 220, 280, 308, 385, 412, 440, 503, 515, 616, 721, 770, 824, 1006, 1030, 1133, 1442, 1540, 2012, 2060, 2266, 2515, 2884, 3080, 3521, 3605, 4024, 4120, 4532, 5030, 5533, 5665, 5768, 7042, 7210, 7931, 9064, 10060, 11066, 11330, 14084, 14420, 15862, 17605, 20120, 22132, 22660, 27665, 28168, 28840, 31724, 35210, 38731, 39655, 44264, 45320, 51809, 55330, 63448, 70420, 77462, 79310, 103618, 110660, 140840, 154924, 158620, 193655, 207236, 221320, 259045, 309848, 317240, 362663, 387310, 414472, 518090, 569899, 725326, 774620, 1036180, 1139798, 1450652, 1549240, 1813315, 2072360, 2279596, 2849495, 2901304, 3626630, 3989293, 4559192, 5698990, 7253260, 7978586, 11397980, 14506520, 15957172, 19946465, 22795960, 31914344, 39892930, 79785860, 159571720]

約数ペア:

[(1, 159571720), (2, 79785860), (4, 39892930), (5, 31914344), (7, 22795960), (8, 19946465), (10, 15957172), (11, 14506520), (14, 11397980), (20, 7978586), (22, 7253260), (28, 5698990), (35, 4559192), (40, 3989293), (44, 3626630), (55, 2901304), (56, 2849495), (70, 2279596), (77, 2072360), (88, 1813315), (103, 1549240), (110, 1450652), (140, 1139798), (154, 1036180), (206, 774620), (220, 725326), (280, 569899), (308, 518090), (385, 414472), (412, 387310), (440, 362663), (503, 317240), (515, 309848), (616, 259045), (721, 221320), (770, 207236), (824, 193655), (1006, 158620), (1030, 154924), (1133, 140840), (1442, 110660), (1540, 103618), (2012, 79310), (2060, 77462), (2266, 70420), (2515, 63448), (2884, 55330), (3080, 51809), (3521, 45320), (3605, 44264), (4024, 39655), (4120, 38731), (4532, 35210), (5030, 31724), (5533, 28840), (5665, 28168), (5768, 27665), (7042, 22660), (7210, 22132), (7931, 20120), (9064, 17605), (10060, 15862), (11066, 14420), (11330, 14084)]