387720480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:731

約数の個数: 192

約数和(自身を含む): 1404345600

約数和(自身を除く): 1016625120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 257, 280, 336, 420, 449, 480, 514, 560, 672, 771, 840, 898, 1028, 1120, 1285, 1347, 1542, 1680, 1796, 1799, 2056, 2245, 2570, 2694, 3084, 3143, 3360, 3592, 3598, 3855, 4112, 4490, 5140, 5388, 5397, 6168, 6286, 6735, 7184, 7196, 7710, 8224, 8980, 8995, 9429, 10280, 10776, 10794, 12336, 12572, 13470, 14368, 14392, 15420, 15715, 17960, 17990, 18858, 20560, 21552, 21588, 24672, 25144, 26940, 26985, 28784, 30840, 31430, 35920, 35980, 37716, 41120, 43104, 43176, 47145, 50288, 53880, 53970, 57568, 61680, 62860, 71840, 71960, 75432, 86352, 94290, 100576, 107760, 107940, 115393, 123360, 125720, 143920, 150864, 172704, 188580, 215520, 215880, 230786, 251440, 287840, 301728, 346179, 377160, 431760, 461572, 502880, 576965, 692358, 754320, 807751, 863520, 923144, 1153930, 1384716, 1508640, 1615502, 1730895, 1846288, 2307860, 2423253, 2769432, 3231004, 3461790, 3692576, 4038755, 4615720, 4846506, 5538864, 6462008, 6923580, 8077510, 9231440, 9693012, 11077728, 12116265, 12924016, 13847160, 16155020, 18462880, 19386024, 24232530, 25848032, 27694320, 32310040, 38772048, 48465060, 55388640, 64620080, 77544096, 96930120, 129240160, 193860240, 387720480]

約数ペア:

[(1, 387720480), (2, 193860240), (3, 129240160), (4, 96930120), (5, 77544096), (6, 64620080), (7, 55388640), (8, 48465060), (10, 38772048), (12, 32310040), (14, 27694320), (15, 25848032), (16, 24232530), (20, 19386024), (21, 18462880), (24, 16155020), (28, 13847160), (30, 12924016), (32, 12116265), (35, 11077728), (40, 9693012), (42, 9231440), (48, 8077510), (56, 6923580), (60, 6462008), (70, 5538864), (80, 4846506), (84, 4615720), (96, 4038755), (105, 3692576), (112, 3461790), (120, 3231004), (140, 2769432), (160, 2423253), (168, 2307860), (210, 1846288), (224, 1730895), (240, 1615502), (257, 1508640), (280, 1384716), (336, 1153930), (420, 923144), (449, 863520), (480, 807751), (514, 754320), (560, 692358), (672, 576965), (771, 502880), (840, 461572), (898, 431760), (1028, 377160), (1120, 346179), (1285, 301728), (1347, 287840), (1542, 251440), (1680, 230786), (1796, 215880), (1799, 215520), (2056, 188580), (2245, 172704), (2570, 150864), (2694, 143920), (3084, 125720), (3143, 123360), (3360, 115393), (3592, 107940), (3598, 107760), (3855, 100576), (4112, 94290), (4490, 86352), (5140, 75432), (5388, 71960), (5397, 71840), (6168, 62860), (6286, 61680), (6735, 57568), (7184, 53970), (7196, 53880), (7710, 50288), (8224, 47145), (8980, 43176), (8995, 43104), (9429, 41120), (10280, 37716), (10776, 35980), (10794, 35920), (12336, 31430), (12572, 30840), (13470, 28784), (14368, 26985), (14392, 26940), (15420, 25144), (15715, 24672), (17960, 21588), (17990, 21552), (18858, 20560)]