254201760

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 288

約数和(自身を含む): 944758080

約数和(自身を除く): 690556320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 163, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 326, 342, 360, 361, 380, 432, 456, 480, 489, 513, 540, 570, 608, 652, 684, 720, 722, 760, 815, 855, 864, 912, 978, 1026, 1080, 1083, 1140, 1304, 1368, 1440, 1444, 1467, 1520, 1630, 1710, 1805, 1824, 1956, 2052, 2160, 2166, 2280, 2445, 2565, 2608, 2736, 2888, 2934, 3040, 3097, 3249, 3260, 3420, 3610, 3912, 4104, 4320, 4332, 4401, 4560, 4890, 5130, 5216, 5415, 5472, 5776, 5868, 6194, 6498, 6520, 6840, 7220, 7335, 7824, 8208, 8664, 8802, 9120, 9291, 9747, 9780, 10260, 10830, 11552, 11736, 12388, 12996, 13040, 13680, 14440, 14670, 15485, 15648, 16245, 16416, 17328, 17604, 18582, 19494, 19560, 20520, 21660, 22005, 23472, 24776, 25992, 26080, 27360, 27873, 28880, 29340, 30970, 32490, 34656, 35208, 37164, 38988, 39120, 41040, 43320, 44010, 46455, 46944, 48735, 49552, 51984, 55746, 57760, 58680, 58843, 61940, 64980, 70416, 74328, 77976, 78240, 82080, 83619, 86640, 88020, 92910, 97470, 99104, 103968, 111492, 117360, 117686, 123880, 129960, 139365, 140832, 148656, 155952, 167238, 173280, 176040, 176529, 185820, 194940, 222984, 234720, 235372, 247760, 259920, 278730, 294215, 297312, 311904, 334476, 352080, 353058, 371640, 389880, 418095, 445968, 470744, 495520, 519840, 529587, 557460, 588430, 668952, 704160, 706116, 743280, 779760, 836190, 882645, 891936, 941488, 1059174, 1114920, 1176860, 1337904, 1412232, 1486560, 1559520, 1588761, 1672380, 1765290, 1882976, 2118348, 2229840, 2353720, 2647935, 2675808, 2824464, 3177522, 3344760, 3530580, 4236696, 4459680, 4707440, 5295870, 5648928, 6355044, 6689520, 7061160, 7943805, 8473392, 9414880, 10591740, 12710088, 13379040, 14122320, 15887610, 16946784, 21183480, 25420176, 28244640, 31775220, 42366960, 50840352, 63550440, 84733920, 127100880, 254201760]

約数ペア:

[(1, 254201760), (2, 127100880), (3, 84733920), (4, 63550440), (5, 50840352), (6, 42366960), (8, 31775220), (9, 28244640), (10, 25420176), (12, 21183480), (15, 16946784), (16, 15887610), (18, 14122320), (19, 13379040), (20, 12710088), (24, 10591740), (27, 9414880), (30, 8473392), (32, 7943805), (36, 7061160), (38, 6689520), (40, 6355044), (45, 5648928), (48, 5295870), (54, 4707440), (57, 4459680), (60, 4236696), (72, 3530580), (76, 3344760), (80, 3177522), (90, 2824464), (95, 2675808), (96, 2647935), (108, 2353720), (114, 2229840), (120, 2118348), (135, 1882976), (144, 1765290), (152, 1672380), (160, 1588761), (163, 1559520), (171, 1486560), (180, 1412232), (190, 1337904), (216, 1176860), (228, 1114920), (240, 1059174), (270, 941488), (285, 891936), (288, 882645), (304, 836190), (326, 779760), (342, 743280), (360, 706116), (361, 704160), (380, 668952), (432, 588430), (456, 557460), (480, 529587), (489, 519840), (513, 495520), (540, 470744), (570, 445968), (608, 418095), (652, 389880), (684, 371640), (720, 353058), (722, 352080), (760, 334476), (815, 311904), (855, 297312), (864, 294215), (912, 278730), (978, 259920), (1026, 247760), (1080, 235372), (1083, 234720), (1140, 222984), (1304, 194940), (1368, 185820), (1440, 176529), (1444, 176040), (1467, 173280), (1520, 167238), (1630, 155952), (1710, 148656), (1805, 140832), (1824, 139365), (1956, 129960), (2052, 123880), (2160, 117686), (2166, 117360), (2280, 111492), (2445, 103968), (2565, 99104), (2608, 97470), (2736, 92910), (2888, 88020), (2934, 86640), (3040, 83619), (3097, 82080), (3249, 78240), (3260, 77976), (3420, 74328), (3610, 70416), (3912, 64980), (4104, 61940), (4320, 58843), (4332, 58680), (4401, 57760), (4560, 55746), (4890, 51984), (5130, 49552), (5216, 48735), (5415, 46944), (5472, 46455), (5776, 44010), (5868, 43320), (6194, 41040), (6498, 39120), (6520, 38988), (6840, 37164), (7220, 35208), (7335, 34656), (7824, 32490), (8208, 30970), (8664, 29340), (8802, 28880), (9120, 27873), (9291, 27360), (9747, 26080), (9780, 25992), (10260, 24776), (10830, 23472), (11552, 22005), (11736, 21660), (12388, 20520), (12996, 19560), (13040, 19494), (13680, 18582), (14440, 17604), (14670, 17328), (15485, 16416), (15648, 16245)]