399626640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2143}}^1$

素因数の和:2206

約数の個数: 240

約数和(自身を含む): 1575994368

約数和(自身を除く): 1176367728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 140, 144, 148, 168, 180, 185, 210, 222, 240, 252, 259, 280, 296, 315, 333, 336, 360, 370, 420, 444, 504, 518, 555, 560, 592, 630, 666, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 1680, 1776, 2072, 2143, 2220, 2331, 2520, 2590, 2664, 2960, 3108, 3330, 3885, 4144, 4286, 4440, 4662, 5040, 5180, 5328, 6216, 6429, 6660, 7770, 8572, 8880, 9324, 10360, 10715, 11655, 12432, 12858, 13320, 15001, 15540, 17144, 18648, 19287, 20720, 21430, 23310, 25716, 26640, 30002, 31080, 32145, 34288, 37296, 38574, 42860, 45003, 46620, 51432, 60004, 62160, 64290, 75005, 77148, 79291, 85720, 90006, 93240, 96435, 102864, 120008, 128580, 135009, 150010, 154296, 158582, 171440, 180012, 186480, 192870, 225015, 237873, 240016, 257160, 270018, 300020, 308592, 317164, 360024, 385740, 396455, 450030, 475746, 514320, 540036, 555037, 600040, 634328, 675045, 713619, 720048, 771480, 792910, 900060, 951492, 1080072, 1110074, 1189365, 1200080, 1268656, 1350090, 1427238, 1542960, 1585820, 1665111, 1800120, 1902984, 2160144, 2220148, 2378730, 2700180, 2775185, 2854476, 3171640, 3330222, 3568095, 3600240, 3805968, 4440296, 4757460, 4995333, 5400360, 5550370, 5708952, 6343280, 6660444, 7136190, 8325555, 8880592, 9514920, 9990666, 10800720, 11100740, 11417904, 13320888, 14272380, 16651110, 19029840, 19981332, 22201480, 24976665, 26641776, 28544760, 33302220, 39962664, 44402960, 49953330, 57089520, 66604440, 79925328, 99906660, 133208880, 199813320, 399626640]

約数ペア:

[(1, 399626640), (2, 199813320), (3, 133208880), (4, 99906660), (5, 79925328), (6, 66604440), (7, 57089520), (8, 49953330), (9, 44402960), (10, 39962664), (12, 33302220), (14, 28544760), (15, 26641776), (16, 24976665), (18, 22201480), (20, 19981332), (21, 19029840), (24, 16651110), (28, 14272380), (30, 13320888), (35, 11417904), (36, 11100740), (37, 10800720), (40, 9990666), (42, 9514920), (45, 8880592), (48, 8325555), (56, 7136190), (60, 6660444), (63, 6343280), (70, 5708952), (72, 5550370), (74, 5400360), (80, 4995333), (84, 4757460), (90, 4440296), (105, 3805968), (111, 3600240), (112, 3568095), (120, 3330222), (126, 3171640), (140, 2854476), (144, 2775185), (148, 2700180), (168, 2378730), (180, 2220148), (185, 2160144), (210, 1902984), (222, 1800120), (240, 1665111), (252, 1585820), (259, 1542960), (280, 1427238), (296, 1350090), (315, 1268656), (333, 1200080), (336, 1189365), (360, 1110074), (370, 1080072), (420, 951492), (444, 900060), (504, 792910), (518, 771480), (555, 720048), (560, 713619), (592, 675045), (630, 634328), (666, 600040), (720, 555037), (740, 540036), (777, 514320), (840, 475746), (888, 450030), (1008, 396455), (1036, 385740), (1110, 360024), (1260, 317164), (1295, 308592), (1332, 300020), (1480, 270018), (1554, 257160), (1665, 240016), (1680, 237873), (1776, 225015), (2072, 192870), (2143, 186480), (2220, 180012), (2331, 171440), (2520, 158582), (2590, 154296), (2664, 150010), (2960, 135009), (3108, 128580), (3330, 120008), (3885, 102864), (4144, 96435), (4286, 93240), (4440, 90006), (4662, 85720), (5040, 79291), (5180, 77148), (5328, 75005), (6216, 64290), (6429, 62160), (6660, 60004), (7770, 51432), (8572, 46620), (8880, 45003), (9324, 42860), (10360, 38574), (10715, 37296), (11655, 34288), (12432, 32145), (12858, 31080), (13320, 30002), (15001, 26640), (15540, 25716), (17144, 23310), (18648, 21430), (19287, 20720)]