128194920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:605

約数の個数: 256

約数和(自身を含む): 505036800

約数和(自身を除く): 376841880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 547, 558, 620, 630, 651, 744, 756, 837, 840, 868, 930, 945, 1080, 1085, 1094, 1116, 1240, 1260, 1302, 1395, 1512, 1641, 1674, 1736, 1860, 1890, 1953, 2170, 2188, 2232, 2520, 2604, 2735, 2790, 3255, 3282, 3348, 3720, 3780, 3829, 3906, 4185, 4340, 4376, 4923, 5208, 5470, 5580, 5859, 6510, 6564, 6696, 7560, 7658, 7812, 8205, 8370, 8680, 9765, 9846, 10940, 11160, 11487, 11718, 13020, 13128, 14769, 15316, 15624, 16410, 16740, 16957, 19145, 19530, 19692, 21880, 22974, 23436, 24615, 26040, 29295, 29538, 30632, 32820, 33480, 33914, 34461, 38290, 39060, 39384, 45948, 46872, 49230, 50871, 57435, 58590, 59076, 65640, 67828, 68922, 73845, 76580, 78120, 84785, 91896, 98460, 101742, 103383, 114870, 117180, 118152, 118699, 135656, 137844, 147690, 152613, 153160, 169570, 172305, 196920, 203484, 206766, 229740, 234360, 237398, 254355, 275688, 295380, 305226, 339140, 344610, 356097, 406968, 413532, 457839, 459480, 474796, 508710, 516915, 590760, 593495, 610452, 678280, 689220, 712194, 763065, 827064, 915678, 949592, 1017420, 1033830, 1068291, 1186990, 1220904, 1378440, 1424388, 1526130, 1780485, 1831356, 2034840, 2067660, 2136582, 2289195, 2373980, 2848776, 3052260, 3204873, 3560970, 3662712, 4135320, 4273164, 4578390, 4747960, 5341455, 6104520, 6409746, 7121940, 8546328, 9156780, 10682910, 12819492, 14243880, 16024365, 18313560, 21365820, 25638984, 32048730, 42731640, 64097460, 128194920]

約数ペア:

[(1, 128194920), (2, 64097460), (3, 42731640), (4, 32048730), (5, 25638984), (6, 21365820), (7, 18313560), (8, 16024365), (9, 14243880), (10, 12819492), (12, 10682910), (14, 9156780), (15, 8546328), (18, 7121940), (20, 6409746), (21, 6104520), (24, 5341455), (27, 4747960), (28, 4578390), (30, 4273164), (31, 4135320), (35, 3662712), (36, 3560970), (40, 3204873), (42, 3052260), (45, 2848776), (54, 2373980), (56, 2289195), (60, 2136582), (62, 2067660), (63, 2034840), (70, 1831356), (72, 1780485), (84, 1526130), (90, 1424388), (93, 1378440), (105, 1220904), (108, 1186990), (120, 1068291), (124, 1033830), (126, 1017420), (135, 949592), (140, 915678), (155, 827064), (168, 763065), (180, 712194), (186, 689220), (189, 678280), (210, 610452), (216, 593495), (217, 590760), (248, 516915), (252, 508710), (270, 474796), (279, 459480), (280, 457839), (310, 413532), (315, 406968), (360, 356097), (372, 344610), (378, 339140), (420, 305226), (434, 295380), (465, 275688), (504, 254355), (540, 237398), (547, 234360), (558, 229740), (620, 206766), (630, 203484), (651, 196920), (744, 172305), (756, 169570), (837, 153160), (840, 152613), (868, 147690), (930, 137844), (945, 135656), (1080, 118699), (1085, 118152), (1094, 117180), (1116, 114870), (1240, 103383), (1260, 101742), (1302, 98460), (1395, 91896), (1512, 84785), (1641, 78120), (1674, 76580), (1736, 73845), (1860, 68922), (1890, 67828), (1953, 65640), (2170, 59076), (2188, 58590), (2232, 57435), (2520, 50871), (2604, 49230), (2735, 46872), (2790, 45948), (3255, 39384), (3282, 39060), (3348, 38290), (3720, 34461), (3780, 33914), (3829, 33480), (3906, 32820), (4185, 30632), (4340, 29538), (4376, 29295), (4923, 26040), (5208, 24615), (5470, 23436), (5580, 22974), (5859, 21880), (6510, 19692), (6564, 19530), (6696, 19145), (7560, 16957), (7658, 16740), (7812, 16410), (8205, 15624), (8370, 15316), (8680, 14769), (9765, 13128), (9846, 13020), (10940, 11718), (11160, 11487)]