287290640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 320

約数和(自身を含む): 906608640

約数和(自身を除く): 619318000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 31, 35, 38, 40, 52, 56, 62, 65, 67, 70, 76, 80, 91, 95, 104, 112, 124, 130, 133, 134, 140, 152, 155, 182, 190, 208, 217, 247, 248, 260, 266, 268, 280, 304, 310, 335, 364, 380, 403, 434, 455, 469, 494, 496, 520, 532, 536, 560, 589, 620, 665, 670, 728, 760, 806, 868, 871, 910, 938, 988, 1040, 1064, 1072, 1085, 1178, 1235, 1240, 1273, 1330, 1340, 1456, 1520, 1612, 1729, 1736, 1742, 1820, 1876, 1976, 2015, 2077, 2128, 2170, 2345, 2356, 2470, 2480, 2546, 2660, 2680, 2821, 2945, 3224, 3458, 3472, 3484, 3640, 3752, 3952, 4030, 4123, 4154, 4340, 4355, 4690, 4712, 4940, 5092, 5320, 5360, 5642, 5890, 6097, 6365, 6448, 6916, 6968, 7280, 7504, 7657, 8060, 8246, 8308, 8645, 8680, 8710, 8911, 9380, 9424, 9880, 10184, 10385, 10640, 11284, 11780, 12194, 12730, 13832, 13936, 14105, 14539, 15314, 16120, 16492, 16549, 16616, 17290, 17360, 17420, 17822, 18760, 19760, 20368, 20615, 20770, 22568, 23560, 24388, 25460, 27001, 27664, 28210, 29078, 30485, 30628, 32240, 32984, 33098, 33232, 34580, 34840, 35644, 37520, 38285, 39463, 41230, 41540, 44555, 45136, 47120, 48776, 50920, 53599, 54002, 56420, 58156, 60970, 61256, 65968, 66196, 69160, 69680, 71288, 72695, 76570, 78926, 82460, 82745, 83080, 89110, 97552, 101840, 107198, 108004, 112840, 115843, 116312, 121940, 122512, 132392, 135005, 138320, 142576, 145390, 153140, 157852, 164920, 165490, 166160, 178220, 189007, 197315, 214396, 216008, 225680, 231686, 232624, 243880, 264784, 267995, 270010, 276241, 290780, 306280, 315704, 329840, 330980, 356440, 378014, 394630, 428792, 432016, 463372, 487760, 513019, 535990, 540020, 552482, 579215, 581560, 612560, 631408, 661960, 712880, 756028, 789260, 857584, 926744, 945035, 1026038, 1071980, 1080040, 1104964, 1158430, 1163120, 1323920, 1381205, 1512056, 1578520, 1853488, 1890070, 2052076, 2143960, 2160080, 2209928, 2316860, 2565095, 2762410, 3024112, 3157040, 3591133, 3780140, 4104152, 4287920, 4419856, 4633720, 5130190, 5524820, 7182266, 7560280, 8208304, 9267440, 10260380, 11049640, 14364532, 15120560, 17955665, 20520760, 22099280, 28729064, 35911330, 41041520, 57458128, 71822660, 143645320, 287290640]

約数ペア:

[(1, 287290640), (2, 143645320), (4, 71822660), (5, 57458128), (7, 41041520), (8, 35911330), (10, 28729064), (13, 22099280), (14, 20520760), (16, 17955665), (19, 15120560), (20, 14364532), (26, 11049640), (28, 10260380), (31, 9267440), (35, 8208304), (38, 7560280), (40, 7182266), (52, 5524820), (56, 5130190), (62, 4633720), (65, 4419856), (67, 4287920), (70, 4104152), (76, 3780140), (80, 3591133), (91, 3157040), (95, 3024112), (104, 2762410), (112, 2565095), (124, 2316860), (130, 2209928), (133, 2160080), (134, 2143960), (140, 2052076), (152, 1890070), (155, 1853488), (182, 1578520), (190, 1512056), (208, 1381205), (217, 1323920), (247, 1163120), (248, 1158430), (260, 1104964), (266, 1080040), (268, 1071980), (280, 1026038), (304, 945035), (310, 926744), (335, 857584), (364, 789260), (380, 756028), (403, 712880), (434, 661960), (455, 631408), (469, 612560), (494, 581560), (496, 579215), (520, 552482), (532, 540020), (536, 535990), (560, 513019), (589, 487760), (620, 463372), (665, 432016), (670, 428792), (728, 394630), (760, 378014), (806, 356440), (868, 330980), (871, 329840), (910, 315704), (938, 306280), (988, 290780), (1040, 276241), (1064, 270010), (1072, 267995), (1085, 264784), (1178, 243880), (1235, 232624), (1240, 231686), (1273, 225680), (1330, 216008), (1340, 214396), (1456, 197315), (1520, 189007), (1612, 178220), (1729, 166160), (1736, 165490), (1742, 164920), (1820, 157852), (1876, 153140), (1976, 145390), (2015, 142576), (2077, 138320), (2128, 135005), (2170, 132392), (2345, 122512), (2356, 121940), (2470, 116312), (2480, 115843), (2546, 112840), (2660, 108004), (2680, 107198), (2821, 101840), (2945, 97552), (3224, 89110), (3458, 83080), (3472, 82745), (3484, 82460), (3640, 78926), (3752, 76570), (3952, 72695), (4030, 71288), (4123, 69680), (4154, 69160), (4340, 66196), (4355, 65968), (4690, 61256), (4712, 60970), (4940, 58156), (5092, 56420), (5320, 54002), (5360, 53599), (5642, 50920), (5890, 48776), (6097, 47120), (6365, 45136), (6448, 44555), (6916, 41540), (6968, 41230), (7280, 39463), (7504, 38285), (7657, 37520), (8060, 35644), (8246, 34840), (8308, 34580), (8645, 33232), (8680, 33098), (8710, 32984), (8911, 32240), (9380, 30628), (9424, 30485), (9880, 29078), (10184, 28210), (10385, 27664), (10640, 27001), (11284, 25460), (11780, 24388), (12194, 23560), (12730, 22568), (13832, 20770), (13936, 20615), (14105, 20368), (14539, 19760), (15314, 18760), (16120, 17822), (16492, 17420), (16549, 17360), (16616, 17290)]