307931680

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 192

約数和(自身を含む): 880588800

約数和(自身を除く): 572657120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 181, 196, 217, 224, 245, 248, 280, 310, 343, 362, 392, 434, 490, 496, 560, 620, 686, 724, 784, 868, 905, 980, 992, 1085, 1120, 1240, 1267, 1372, 1448, 1519, 1568, 1715, 1736, 1810, 1960, 2170, 2480, 2534, 2744, 2896, 3038, 3430, 3472, 3620, 3920, 4340, 4960, 5068, 5488, 5611, 5792, 6076, 6335, 6860, 6944, 7240, 7595, 7840, 8680, 8869, 10136, 10633, 10976, 11222, 12152, 12670, 13720, 14480, 15190, 17360, 17738, 20272, 21266, 22444, 24304, 25340, 27440, 28055, 28960, 30380, 34720, 35476, 39277, 40544, 42532, 44345, 44888, 48608, 50680, 53165, 54880, 56110, 60760, 62083, 70952, 78554, 85064, 88690, 89776, 101360, 106330, 112220, 121520, 124166, 141904, 157108, 170128, 177380, 179552, 196385, 202720, 212660, 224440, 243040, 248332, 274939, 283808, 310415, 314216, 340256, 354760, 392770, 425320, 448880, 496664, 549878, 620830, 628432, 709520, 785540, 850640, 897760, 993328, 1099756, 1241660, 1256864, 1374695, 1419040, 1571080, 1701280, 1924573, 1986656, 2199512, 2483320, 2749390, 3142160, 3849146, 4399024, 4966640, 5498780, 6284320, 7698292, 8798048, 9622865, 9933280, 10997560, 15396584, 19245730, 21995120, 30793168, 38491460, 43990240, 61586336, 76982920, 153965840, 307931680]

約数ペア:

[(1, 307931680), (2, 153965840), (4, 76982920), (5, 61586336), (7, 43990240), (8, 38491460), (10, 30793168), (14, 21995120), (16, 19245730), (20, 15396584), (28, 10997560), (31, 9933280), (32, 9622865), (35, 8798048), (40, 7698292), (49, 6284320), (56, 5498780), (62, 4966640), (70, 4399024), (80, 3849146), (98, 3142160), (112, 2749390), (124, 2483320), (140, 2199512), (155, 1986656), (160, 1924573), (181, 1701280), (196, 1571080), (217, 1419040), (224, 1374695), (245, 1256864), (248, 1241660), (280, 1099756), (310, 993328), (343, 897760), (362, 850640), (392, 785540), (434, 709520), (490, 628432), (496, 620830), (560, 549878), (620, 496664), (686, 448880), (724, 425320), (784, 392770), (868, 354760), (905, 340256), (980, 314216), (992, 310415), (1085, 283808), (1120, 274939), (1240, 248332), (1267, 243040), (1372, 224440), (1448, 212660), (1519, 202720), (1568, 196385), (1715, 179552), (1736, 177380), (1810, 170128), (1960, 157108), (2170, 141904), (2480, 124166), (2534, 121520), (2744, 112220), (2896, 106330), (3038, 101360), (3430, 89776), (3472, 88690), (3620, 85064), (3920, 78554), (4340, 70952), (4960, 62083), (5068, 60760), (5488, 56110), (5611, 54880), (5792, 53165), (6076, 50680), (6335, 48608), (6860, 44888), (6944, 44345), (7240, 42532), (7595, 40544), (7840, 39277), (8680, 35476), (8869, 34720), (10136, 30380), (10633, 28960), (10976, 28055), (11222, 27440), (12152, 25340), (12670, 24304), (13720, 22444), (14480, 21266), (15190, 20272), (17360, 17738)]