204965880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^2$

素因数の和:250

約数の個数: 192

約数和(自身を含む): 740482560

約数和(自身を除く): 535516680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 103, 105, 115, 120, 138, 140, 161, 168, 184, 206, 210, 230, 276, 280, 309, 322, 345, 412, 420, 460, 483, 515, 552, 618, 644, 690, 721, 805, 824, 840, 920, 966, 1030, 1236, 1288, 1380, 1442, 1545, 1610, 1932, 2060, 2163, 2369, 2415, 2472, 2760, 2884, 3090, 3220, 3605, 3864, 4120, 4326, 4738, 4830, 5768, 6180, 6440, 7107, 7210, 8652, 9476, 9660, 10609, 10815, 11845, 12360, 14214, 14420, 16583, 17304, 18952, 19320, 21218, 21630, 23690, 28428, 28840, 31827, 33166, 35535, 42436, 43260, 47380, 49749, 53045, 56856, 63654, 66332, 71070, 74263, 82915, 84872, 86520, 94760, 99498, 106090, 127308, 132664, 142140, 148526, 159135, 165830, 198996, 212180, 222789, 244007, 248745, 254616, 284280, 297052, 318270, 331660, 371315, 397992, 424360, 445578, 488014, 497490, 594104, 636540, 663320, 732021, 742630, 891156, 976028, 994980, 1113945, 1220035, 1273080, 1464042, 1485260, 1708049, 1782312, 1952056, 1989960, 2227890, 2440070, 2928084, 2970520, 3416098, 3660105, 4455780, 4880140, 5124147, 5856168, 6832196, 7320210, 8540245, 8911560, 9760280, 10248294, 13664392, 14640420, 17080490, 20496588, 25620735, 29280840, 34160980, 40993176, 51241470, 68321960, 102482940, 204965880]

約数ペア:

[(1, 204965880), (2, 102482940), (3, 68321960), (4, 51241470), (5, 40993176), (6, 34160980), (7, 29280840), (8, 25620735), (10, 20496588), (12, 17080490), (14, 14640420), (15, 13664392), (20, 10248294), (21, 9760280), (23, 8911560), (24, 8540245), (28, 7320210), (30, 6832196), (35, 5856168), (40, 5124147), (42, 4880140), (46, 4455780), (56, 3660105), (60, 3416098), (69, 2970520), (70, 2928084), (84, 2440070), (92, 2227890), (103, 1989960), (105, 1952056), (115, 1782312), (120, 1708049), (138, 1485260), (140, 1464042), (161, 1273080), (168, 1220035), (184, 1113945), (206, 994980), (210, 976028), (230, 891156), (276, 742630), (280, 732021), (309, 663320), (322, 636540), (345, 594104), (412, 497490), (420, 488014), (460, 445578), (483, 424360), (515, 397992), (552, 371315), (618, 331660), (644, 318270), (690, 297052), (721, 284280), (805, 254616), (824, 248745), (840, 244007), (920, 222789), (966, 212180), (1030, 198996), (1236, 165830), (1288, 159135), (1380, 148526), (1442, 142140), (1545, 132664), (1610, 127308), (1932, 106090), (2060, 99498), (2163, 94760), (2369, 86520), (2415, 84872), (2472, 82915), (2760, 74263), (2884, 71070), (3090, 66332), (3220, 63654), (3605, 56856), (3864, 53045), (4120, 49749), (4326, 47380), (4738, 43260), (4830, 42436), (5768, 35535), (6180, 33166), (6440, 31827), (7107, 28840), (7210, 28428), (8652, 23690), (9476, 21630), (9660, 21218), (10609, 19320), (10815, 18952), (11845, 17304), (12360, 16583), (14214, 14420)]