1992503280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1297}}^1$

素因数の和:1523

約数の個数: 160

約数和(自身を含む): 6385287744

約数和(自身を除く): 4392784464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 173, 185, 222, 240, 296, 346, 370, 444, 519, 555, 592, 692, 740, 865, 888, 1038, 1110, 1297, 1384, 1480, 1730, 1776, 2076, 2220, 2594, 2595, 2768, 2960, 3460, 3891, 4152, 4440, 5188, 5190, 6401, 6485, 6920, 7782, 8304, 8880, 10376, 10380, 12802, 12970, 13840, 15564, 19203, 19455, 20752, 20760, 25604, 25940, 31128, 32005, 38406, 38910, 41520, 47989, 51208, 51880, 62256, 64010, 76812, 77820, 95978, 96015, 102416, 103760, 128020, 143967, 153624, 155640, 191956, 192030, 224381, 239945, 256040, 287934, 307248, 311280, 383912, 384060, 448762, 479890, 512080, 575868, 673143, 719835, 767824, 768120, 897524, 959780, 1121905, 1151736, 1346286, 1439670, 1536240, 1795048, 1919560, 2243810, 2303472, 2692572, 2879340, 3365715, 3590096, 3839120, 4487620, 5385144, 5758680, 6731430, 8302097, 8975240, 10770288, 11517360, 13462860, 16604194, 17950480, 24906291, 26925720, 33208388, 41510485, 49812582, 53851440, 66416776, 83020970, 99625164, 124531455, 132833552, 166041940, 199250328, 249062910, 332083880, 398500656, 498125820, 664167760, 996251640, 1992503280]

約数ペア:

[(1, 1992503280), (2, 996251640), (3, 664167760), (4, 498125820), (5, 398500656), (6, 332083880), (8, 249062910), (10, 199250328), (12, 166041940), (15, 132833552), (16, 124531455), (20, 99625164), (24, 83020970), (30, 66416776), (37, 53851440), (40, 49812582), (48, 41510485), (60, 33208388), (74, 26925720), (80, 24906291), (111, 17950480), (120, 16604194), (148, 13462860), (173, 11517360), (185, 10770288), (222, 8975240), (240, 8302097), (296, 6731430), (346, 5758680), (370, 5385144), (444, 4487620), (519, 3839120), (555, 3590096), (592, 3365715), (692, 2879340), (740, 2692572), (865, 2303472), (888, 2243810), (1038, 1919560), (1110, 1795048), (1297, 1536240), (1384, 1439670), (1480, 1346286), (1730, 1151736), (1776, 1121905), (2076, 959780), (2220, 897524), (2594, 768120), (2595, 767824), (2768, 719835), (2960, 673143), (3460, 575868), (3891, 512080), (4152, 479890), (4440, 448762), (5188, 384060), (5190, 383912), (6401, 311280), (6485, 307248), (6920, 287934), (7782, 256040), (8304, 239945), (8880, 224381), (10376, 192030), (10380, 191956), (12802, 155640), (12970, 153624), (13840, 143967), (15564, 128020), (19203, 103760), (19455, 102416), (20752, 96015), (20760, 95978), (25604, 77820), (25940, 76812), (31128, 64010), (32005, 62256), (38406, 51880), (38910, 51208), (41520, 47989)]