661989120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 288

約数和(自身を含む): 2317896000

約数和(自身を除く): 1655906880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 89, 96, 104, 120, 128, 130, 149, 156, 160, 178, 192, 195, 208, 240, 256, 260, 267, 298, 312, 320, 356, 384, 390, 416, 445, 447, 480, 520, 534, 596, 624, 640, 712, 745, 768, 780, 832, 890, 894, 960, 1040, 1068, 1157, 1192, 1248, 1280, 1335, 1424, 1490, 1560, 1664, 1780, 1788, 1920, 1937, 2080, 2136, 2235, 2314, 2384, 2496, 2670, 2848, 2980, 3120, 3328, 3471, 3560, 3576, 3840, 3874, 4160, 4272, 4470, 4628, 4768, 4992, 5340, 5696, 5785, 5811, 5960, 6240, 6942, 7120, 7152, 7748, 8320, 8544, 8940, 9256, 9536, 9685, 9984, 10680, 11392, 11570, 11622, 11920, 12480, 13261, 13884, 14240, 14304, 15496, 16640, 17088, 17355, 17880, 18512, 19072, 19370, 21360, 22784, 23140, 23244, 23840, 24960, 26522, 27768, 28480, 28608, 29055, 30992, 34176, 34710, 35760, 37024, 38144, 38740, 39783, 42720, 46280, 46488, 47680, 49920, 53044, 55536, 56960, 57216, 58110, 61984, 66305, 68352, 69420, 71520, 74048, 77480, 79566, 85440, 92560, 92976, 95360, 106088, 111072, 113920, 114432, 116220, 123968, 132610, 138840, 143040, 148096, 154960, 159132, 170880, 172393, 185120, 185952, 190720, 198915, 212176, 222144, 232440, 247936, 265220, 277680, 286080, 296192, 309920, 318264, 341760, 344786, 370240, 371904, 397830, 424352, 444288, 464880, 495872, 517179, 530440, 555360, 572160, 619840, 636528, 689572, 740480, 743808, 795660, 848704, 861965, 888576, 929760, 1034358, 1060880, 1110720, 1239680, 1273056, 1379144, 1480960, 1487616, 1591320, 1697408, 1723930, 1859520, 2068716, 2121760, 2221440, 2479360, 2546112, 2585895, 2758288, 3182640, 3394816, 3447860, 3719040, 4137432, 4243520, 4442880, 5092224, 5171790, 5516576, 6365280, 6895720, 7438080, 8274864, 8487040, 10184448, 10343580, 11033152, 12730560, 13791440, 16549728, 16974080, 20687160, 22066304, 25461120, 27582880, 33099456, 41374320, 44132608, 50922240, 55165760, 66198912, 82748640, 110331520, 132397824, 165497280, 220663040, 330994560, 661989120]

約数ペア:

[(1, 661989120), (2, 330994560), (3, 220663040), (4, 165497280), (5, 132397824), (6, 110331520), (8, 82748640), (10, 66198912), (12, 55165760), (13, 50922240), (15, 44132608), (16, 41374320), (20, 33099456), (24, 27582880), (26, 25461120), (30, 22066304), (32, 20687160), (39, 16974080), (40, 16549728), (48, 13791440), (52, 12730560), (60, 11033152), (64, 10343580), (65, 10184448), (78, 8487040), (80, 8274864), (89, 7438080), (96, 6895720), (104, 6365280), (120, 5516576), (128, 5171790), (130, 5092224), (149, 4442880), (156, 4243520), (160, 4137432), (178, 3719040), (192, 3447860), (195, 3394816), (208, 3182640), (240, 2758288), (256, 2585895), (260, 2546112), (267, 2479360), (298, 2221440), (312, 2121760), (320, 2068716), (356, 1859520), (384, 1723930), (390, 1697408), (416, 1591320), (445, 1487616), (447, 1480960), (480, 1379144), (520, 1273056), (534, 1239680), (596, 1110720), (624, 1060880), (640, 1034358), (712, 929760), (745, 888576), (768, 861965), (780, 848704), (832, 795660), (890, 743808), (894, 740480), (960, 689572), (1040, 636528), (1068, 619840), (1157, 572160), (1192, 555360), (1248, 530440), (1280, 517179), (1335, 495872), (1424, 464880), (1490, 444288), (1560, 424352), (1664, 397830), (1780, 371904), (1788, 370240), (1920, 344786), (1937, 341760), (2080, 318264), (2136, 309920), (2235, 296192), (2314, 286080), (2384, 277680), (2496, 265220), (2670, 247936), (2848, 232440), (2980, 222144), (3120, 212176), (3328, 198915), (3471, 190720), (3560, 185952), (3576, 185120), (3840, 172393), (3874, 170880), (4160, 159132), (4272, 154960), (4470, 148096), (4628, 143040), (4768, 138840), (4992, 132610), (5340, 123968), (5696, 116220), (5785, 114432), (5811, 113920), (5960, 111072), (6240, 106088), (6942, 95360), (7120, 92976), (7152, 92560), (7748, 85440), (8320, 79566), (8544, 77480), (8940, 74048), (9256, 71520), (9536, 69420), (9685, 68352), (9984, 66305), (10680, 61984), (11392, 58110), (11570, 57216), (11622, 56960), (11920, 55536), (12480, 53044), (13261, 49920), (13884, 47680), (14240, 46488), (14304, 46280), (15496, 42720), (16640, 39783), (17088, 38740), (17355, 38144), (17880, 37024), (18512, 35760), (19072, 34710), (19370, 34176), (21360, 30992), (22784, 29055), (23140, 28608), (23244, 28480), (23840, 27768), (24960, 26522)]