388518480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:674

約数の個数: 240

約数和(自身を含む): 1503725184

約数和(自身を除く): 1115206704

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, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 157, 168, 180, 210, 240, 252, 280, 314, 315, 336, 360, 420, 471, 491, 504, 560, 628, 630, 720, 785, 840, 942, 982, 1008, 1099, 1256, 1260, 1413, 1473, 1570, 1680, 1884, 1964, 2198, 2355, 2455, 2512, 2520, 2826, 2946, 3140, 3297, 3437, 3768, 3928, 4396, 4419, 4710, 4910, 5040, 5495, 5652, 5892, 6280, 6594, 6874, 7065, 7365, 7536, 7856, 8792, 8838, 9420, 9820, 9891, 10311, 10990, 11304, 11784, 12560, 13188, 13748, 14130, 14730, 16485, 17185, 17584, 17676, 18840, 19640, 19782, 20622, 21980, 22095, 22608, 23568, 26376, 27496, 28260, 29460, 30933, 32970, 34370, 35352, 37680, 39280, 39564, 41244, 43960, 44190, 49455, 51555, 52752, 54992, 56520, 58920, 61866, 65940, 68740, 70704, 77087, 79128, 82488, 87920, 88380, 98910, 103110, 113040, 117840, 123732, 131880, 137480, 154174, 154665, 158256, 164976, 176760, 197820, 206220, 231261, 247464, 263760, 274960, 308348, 309330, 353520, 385435, 395640, 412440, 462522, 494928, 539609, 616696, 618660, 693783, 770870, 791280, 824880, 925044, 1079218, 1156305, 1233392, 1237320, 1387566, 1541740, 1618827, 1850088, 2158436, 2312610, 2474640, 2698045, 2775132, 3083480, 3237654, 3468915, 3700176, 4316872, 4625220, 4856481, 5396090, 5550264, 6166960, 6475308, 6937830, 8094135, 8633744, 9250440, 9712962, 10792180, 11100528, 12950616, 13875660, 16188270, 18500880, 19425924, 21584360, 24282405, 25901232, 27751320, 32376540, 38851848, 43168720, 48564810, 55502640, 64753080, 77703696, 97129620, 129506160, 194259240, 388518480]

約数ペア:

[(1, 388518480), (2, 194259240), (3, 129506160), (4, 97129620), (5, 77703696), (6, 64753080), (7, 55502640), (8, 48564810), (9, 43168720), (10, 38851848), (12, 32376540), (14, 27751320), (15, 25901232), (16, 24282405), (18, 21584360), (20, 19425924), (21, 18500880), (24, 16188270), (28, 13875660), (30, 12950616), (35, 11100528), (36, 10792180), (40, 9712962), (42, 9250440), (45, 8633744), (48, 8094135), (56, 6937830), (60, 6475308), (63, 6166960), (70, 5550264), (72, 5396090), (80, 4856481), (84, 4625220), (90, 4316872), (105, 3700176), (112, 3468915), (120, 3237654), (126, 3083480), (140, 2775132), (144, 2698045), (157, 2474640), (168, 2312610), (180, 2158436), (210, 1850088), (240, 1618827), (252, 1541740), (280, 1387566), (314, 1237320), (315, 1233392), (336, 1156305), (360, 1079218), (420, 925044), (471, 824880), (491, 791280), (504, 770870), (560, 693783), (628, 618660), (630, 616696), (720, 539609), (785, 494928), (840, 462522), (942, 412440), (982, 395640), (1008, 385435), (1099, 353520), (1256, 309330), (1260, 308348), (1413, 274960), (1473, 263760), (1570, 247464), (1680, 231261), (1884, 206220), (1964, 197820), (2198, 176760), (2355, 164976), (2455, 158256), (2512, 154665), (2520, 154174), (2826, 137480), (2946, 131880), (3140, 123732), (3297, 117840), (3437, 113040), (3768, 103110), (3928, 98910), (4396, 88380), (4419, 87920), (4710, 82488), (4910, 79128), (5040, 77087), (5495, 70704), (5652, 68740), (5892, 65940), (6280, 61866), (6594, 58920), (6874, 56520), (7065, 54992), (7365, 52752), (7536, 51555), (7856, 49455), (8792, 44190), (8838, 43960), (9420, 41244), (9820, 39564), (9891, 39280), (10311, 37680), (10990, 35352), (11304, 34370), (11784, 32970), (12560, 30933), (13188, 29460), (13748, 28260), (14130, 27496), (14730, 26376), (16485, 23568), (17185, 22608), (17584, 22095), (17676, 21980), (18840, 20622), (19640, 19782)]