387813720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 256

約数和(自身を含む): 1403412480

約数和(自身を除く): 1015598760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 53, 56, 60, 62, 70, 84, 93, 105, 106, 120, 124, 140, 155, 159, 168, 186, 210, 212, 217, 248, 265, 280, 281, 310, 318, 371, 372, 420, 424, 434, 465, 530, 562, 620, 636, 651, 742, 744, 795, 840, 843, 868, 930, 1060, 1085, 1113, 1124, 1240, 1272, 1302, 1405, 1484, 1590, 1643, 1686, 1736, 1855, 1860, 1967, 2120, 2170, 2226, 2248, 2604, 2810, 2968, 3180, 3255, 3286, 3372, 3710, 3720, 3934, 4215, 4340, 4452, 4929, 5208, 5565, 5620, 5901, 6360, 6510, 6572, 6744, 7420, 7868, 8215, 8430, 8680, 8711, 8904, 9835, 9858, 11130, 11240, 11501, 11802, 13020, 13144, 14840, 14893, 15736, 16430, 16860, 17422, 19670, 19716, 22260, 23002, 23604, 24645, 26040, 26133, 29505, 29786, 32860, 33720, 34503, 34844, 39340, 39432, 43555, 44520, 44679, 46004, 47208, 49290, 52266, 57505, 59010, 59572, 60977, 65720, 69006, 69688, 74465, 78680, 87110, 89358, 92008, 98580, 104251, 104532, 115010, 118020, 119144, 121954, 130665, 138012, 148930, 172515, 174220, 178716, 182931, 197160, 208502, 209064, 223395, 230020, 236040, 243908, 261330, 276024, 297860, 304885, 312753, 345030, 348440, 357432, 365862, 417004, 446790, 460040, 461683, 487816, 521255, 522660, 595720, 609770, 625506, 690060, 731724, 834008, 893580, 914655, 923366, 1042510, 1045320, 1219540, 1251012, 1380120, 1385049, 1463448, 1563765, 1787160, 1829310, 1846732, 2085020, 2308415, 2439080, 2502024, 2770098, 3127530, 3231781, 3658620, 3693464, 4170040, 4616830, 5540196, 6255060, 6463562, 6925245, 7317240, 9233660, 9695343, 11080392, 12510120, 12927124, 13850490, 16158905, 18467320, 19390686, 25854248, 27700980, 32317810, 38781372, 48476715, 55401960, 64635620, 77562744, 96953430, 129271240, 193906860, 387813720]

約数ペア:

[(1, 387813720), (2, 193906860), (3, 129271240), (4, 96953430), (5, 77562744), (6, 64635620), (7, 55401960), (8, 48476715), (10, 38781372), (12, 32317810), (14, 27700980), (15, 25854248), (20, 19390686), (21, 18467320), (24, 16158905), (28, 13850490), (30, 12927124), (31, 12510120), (35, 11080392), (40, 9695343), (42, 9233660), (53, 7317240), (56, 6925245), (60, 6463562), (62, 6255060), (70, 5540196), (84, 4616830), (93, 4170040), (105, 3693464), (106, 3658620), (120, 3231781), (124, 3127530), (140, 2770098), (155, 2502024), (159, 2439080), (168, 2308415), (186, 2085020), (210, 1846732), (212, 1829310), (217, 1787160), (248, 1563765), (265, 1463448), (280, 1385049), (281, 1380120), (310, 1251012), (318, 1219540), (371, 1045320), (372, 1042510), (420, 923366), (424, 914655), (434, 893580), (465, 834008), (530, 731724), (562, 690060), (620, 625506), (636, 609770), (651, 595720), (742, 522660), (744, 521255), (795, 487816), (840, 461683), (843, 460040), (868, 446790), (930, 417004), (1060, 365862), (1085, 357432), (1113, 348440), (1124, 345030), (1240, 312753), (1272, 304885), (1302, 297860), (1405, 276024), (1484, 261330), (1590, 243908), (1643, 236040), (1686, 230020), (1736, 223395), (1855, 209064), (1860, 208502), (1967, 197160), (2120, 182931), (2170, 178716), (2226, 174220), (2248, 172515), (2604, 148930), (2810, 138012), (2968, 130665), (3180, 121954), (3255, 119144), (3286, 118020), (3372, 115010), (3710, 104532), (3720, 104251), (3934, 98580), (4215, 92008), (4340, 89358), (4452, 87110), (4929, 78680), (5208, 74465), (5565, 69688), (5620, 69006), (5901, 65720), (6360, 60977), (6510, 59572), (6572, 59010), (6744, 57505), (7420, 52266), (7868, 49290), (8215, 47208), (8430, 46004), (8680, 44679), (8711, 44520), (8904, 43555), (9835, 39432), (9858, 39340), (11130, 34844), (11240, 34503), (11501, 33720), (11802, 32860), (13020, 29786), (13144, 29505), (14840, 26133), (14893, 26040), (15736, 24645), (16430, 23604), (16860, 23002), (17422, 22260), (19670, 19716)]