68998920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 221616000

約数和(自身を除く): 152617080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 149, 170, 204, 227, 255, 298, 340, 408, 447, 454, 510, 596, 680, 681, 745, 894, 908, 1020, 1135, 1192, 1362, 1490, 1788, 1816, 2040, 2235, 2270, 2533, 2724, 2980, 3405, 3576, 3859, 4470, 4540, 5066, 5448, 5960, 6810, 7599, 7718, 8940, 9080, 10132, 11577, 12665, 13620, 15198, 15436, 17880, 19295, 20264, 23154, 25330, 27240, 30396, 30872, 33823, 37995, 38590, 46308, 50660, 57885, 60792, 67646, 75990, 77180, 92616, 101320, 101469, 115770, 135292, 151980, 154360, 169115, 202938, 231540, 270584, 303960, 338230, 405876, 463080, 507345, 574991, 676460, 811752, 1014690, 1149982, 1352920, 1724973, 2029380, 2299964, 2874955, 3449946, 4058760, 4599928, 5749910, 6899892, 8624865, 11499820, 13799784, 17249730, 22999640, 34499460, 68998920]

約数ペア:

[(1, 68998920), (2, 34499460), (3, 22999640), (4, 17249730), (5, 13799784), (6, 11499820), (8, 8624865), (10, 6899892), (12, 5749910), (15, 4599928), (17, 4058760), (20, 3449946), (24, 2874955), (30, 2299964), (34, 2029380), (40, 1724973), (51, 1352920), (60, 1149982), (68, 1014690), (85, 811752), (102, 676460), (120, 574991), (136, 507345), (149, 463080), (170, 405876), (204, 338230), (227, 303960), (255, 270584), (298, 231540), (340, 202938), (408, 169115), (447, 154360), (454, 151980), (510, 135292), (596, 115770), (680, 101469), (681, 101320), (745, 92616), (894, 77180), (908, 75990), (1020, 67646), (1135, 60792), (1192, 57885), (1362, 50660), (1490, 46308), (1788, 38590), (1816, 37995), (2040, 33823), (2235, 30872), (2270, 30396), (2533, 27240), (2724, 25330), (2980, 23154), (3405, 20264), (3576, 19295), (3859, 17880), (4470, 15436), (4540, 15198), (5066, 13620), (5448, 12665), (5960, 11577), (6810, 10132), (7599, 9080), (7718, 8940)]