388631520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:375

約数の個数: 240

約数和(自身を含む): 1387507968

約数和(自身を除く): 998876448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 157, 160, 162, 180, 191, 216, 240, 270, 288, 314, 324, 360, 382, 405, 432, 471, 480, 540, 573, 628, 648, 720, 764, 785, 810, 864, 942, 955, 1080, 1146, 1256, 1296, 1413, 1440, 1528, 1570, 1620, 1719, 1884, 1910, 2160, 2292, 2355, 2512, 2592, 2826, 2865, 3056, 3140, 3240, 3438, 3768, 3820, 4239, 4320, 4584, 4710, 5024, 5157, 5652, 5730, 6112, 6280, 6480, 6876, 7065, 7536, 7640, 8478, 8595, 9168, 9420, 10314, 11304, 11460, 12560, 12717, 12960, 13752, 14130, 15072, 15280, 15471, 16956, 17190, 18336, 18840, 20628, 21195, 22608, 22920, 25120, 25434, 25785, 27504, 28260, 29987, 30560, 30942, 33912, 34380, 37680, 41256, 42390, 45216, 45840, 50868, 51570, 55008, 56520, 59974, 61884, 63585, 67824, 68760, 75360, 77355, 82512, 84780, 89961, 91680, 101736, 103140, 113040, 119948, 123768, 127170, 135648, 137520, 149935, 154710, 165024, 169560, 179922, 203472, 206280, 226080, 239896, 247536, 254340, 269883, 275040, 299870, 309420, 339120, 359844, 406944, 412560, 449805, 479792, 495072, 508680, 539766, 599740, 618840, 678240, 719688, 809649, 825120, 899610, 959584, 1017360, 1079532, 1199480, 1237680, 1349415, 1439376, 1619298, 1799220, 2034720, 2159064, 2398960, 2428947, 2475360, 2698830, 2878752, 3238596, 3598440, 4048245, 4318128, 4797920, 4857894, 5397660, 6477192, 7196880, 8096490, 8636256, 9715788, 10795320, 12144735, 12954384, 14393760, 16192980, 19431576, 21590640, 24289470, 25908768, 32385960, 38863152, 43181280, 48578940, 64771920, 77726304, 97157880, 129543840, 194315760, 388631520]

約数ペア:

[(1, 388631520), (2, 194315760), (3, 129543840), (4, 97157880), (5, 77726304), (6, 64771920), (8, 48578940), (9, 43181280), (10, 38863152), (12, 32385960), (15, 25908768), (16, 24289470), (18, 21590640), (20, 19431576), (24, 16192980), (27, 14393760), (30, 12954384), (32, 12144735), (36, 10795320), (40, 9715788), (45, 8636256), (48, 8096490), (54, 7196880), (60, 6477192), (72, 5397660), (80, 4857894), (81, 4797920), (90, 4318128), (96, 4048245), (108, 3598440), (120, 3238596), (135, 2878752), (144, 2698830), (157, 2475360), (160, 2428947), (162, 2398960), (180, 2159064), (191, 2034720), (216, 1799220), (240, 1619298), (270, 1439376), (288, 1349415), (314, 1237680), (324, 1199480), (360, 1079532), (382, 1017360), (405, 959584), (432, 899610), (471, 825120), (480, 809649), (540, 719688), (573, 678240), (628, 618840), (648, 599740), (720, 539766), (764, 508680), (785, 495072), (810, 479792), (864, 449805), (942, 412560), (955, 406944), (1080, 359844), (1146, 339120), (1256, 309420), (1296, 299870), (1413, 275040), (1440, 269883), (1528, 254340), (1570, 247536), (1620, 239896), (1719, 226080), (1884, 206280), (1910, 203472), (2160, 179922), (2292, 169560), (2355, 165024), (2512, 154710), (2592, 149935), (2826, 137520), (2865, 135648), (3056, 127170), (3140, 123768), (3240, 119948), (3438, 113040), (3768, 103140), (3820, 101736), (4239, 91680), (4320, 89961), (4584, 84780), (4710, 82512), (5024, 77355), (5157, 75360), (5652, 68760), (5730, 67824), (6112, 63585), (6280, 61884), (6480, 59974), (6876, 56520), (7065, 55008), (7536, 51570), (7640, 50868), (8478, 45840), (8595, 45216), (9168, 42390), (9420, 41256), (10314, 37680), (11304, 34380), (11460, 33912), (12560, 30942), (12717, 30560), (12960, 29987), (13752, 28260), (14130, 27504), (15072, 25785), (15280, 25434), (15471, 25120), (16956, 22920), (17190, 22608), (18336, 21195), (18840, 20628)]