256147920

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{5647}}^1$

素因数の和:5679

約数の個数: 200

約数和(自身を含む): 1016911104

約数和(自身を除く): 760763184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 1008, 1080, 1134, 1260, 1296, 1512, 1620, 1680, 1890, 2160, 2268, 2520, 2835, 3024, 3240, 3780, 4536, 5040, 5647, 5670, 6480, 7560, 9072, 11294, 11340, 15120, 16941, 22588, 22680, 28235, 33882, 39529, 45176, 45360, 50823, 56470, 67764, 79058, 84705, 90352, 101646, 112940, 118587, 135528, 152469, 158116, 169410, 197645, 203292, 225880, 237174, 254115, 271056, 304938, 316232, 338820, 355761, 395290, 406584, 451760, 457407, 474348, 508230, 592935, 609876, 632464, 677640, 711522, 762345, 790580, 813168, 914814, 948696, 1016460, 1067283, 1185870, 1219752, 1355280, 1423044, 1524690, 1581160, 1778805, 1829628, 1897392, 2032920, 2134566, 2287035, 2371740, 2439504, 2846088, 3049380, 3162320, 3201849, 3557610, 3659256, 4065840, 4269132, 4574070, 4743480, 5336415, 5692176, 6098760, 6403698, 7115220, 7318512, 8538264, 9148140, 9486960, 10672830, 12197520, 12807396, 14230440, 16009245, 17076528, 18296280, 21345660, 25614792, 28460880, 32018490, 36592560, 42691320, 51229584, 64036980, 85382640, 128073960, 256147920]

約数ペア:

[(1, 256147920), (2, 128073960), (3, 85382640), (4, 64036980), (5, 51229584), (6, 42691320), (7, 36592560), (8, 32018490), (9, 28460880), (10, 25614792), (12, 21345660), (14, 18296280), (15, 17076528), (16, 16009245), (18, 14230440), (20, 12807396), (21, 12197520), (24, 10672830), (27, 9486960), (28, 9148140), (30, 8538264), (35, 7318512), (36, 7115220), (40, 6403698), (42, 6098760), (45, 5692176), (48, 5336415), (54, 4743480), (56, 4574070), (60, 4269132), (63, 4065840), (70, 3659256), (72, 3557610), (80, 3201849), (81, 3162320), (84, 3049380), (90, 2846088), (105, 2439504), (108, 2371740), (112, 2287035), (120, 2134566), (126, 2032920), (135, 1897392), (140, 1829628), (144, 1778805), (162, 1581160), (168, 1524690), (180, 1423044), (189, 1355280), (210, 1219752), (216, 1185870), (240, 1067283), (252, 1016460), (270, 948696), (280, 914814), (315, 813168), (324, 790580), (336, 762345), (360, 711522), (378, 677640), (405, 632464), (420, 609876), (432, 592935), (504, 508230), (540, 474348), (560, 457407), (567, 451760), (630, 406584), (648, 395290), (720, 355761), (756, 338820), (810, 316232), (840, 304938), (945, 271056), (1008, 254115), (1080, 237174), (1134, 225880), (1260, 203292), (1296, 197645), (1512, 169410), (1620, 158116), (1680, 152469), (1890, 135528), (2160, 118587), (2268, 112940), (2520, 101646), (2835, 90352), (3024, 84705), (3240, 79058), (3780, 67764), (4536, 56470), (5040, 50823), (5647, 45360), (5670, 45176), (6480, 39529), (7560, 33882), (9072, 28235), (11294, 22680), (11340, 22588), (15120, 16941)]