1308709640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 256

約数和(自身を含む): 3773952000

約数和(自身を除く): 2465242360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 49, 56, 62, 68, 70, 85, 98, 119, 124, 136, 140, 155, 170, 181, 196, 217, 238, 245, 248, 280, 310, 340, 343, 362, 392, 434, 476, 490, 527, 595, 620, 680, 686, 724, 833, 868, 905, 952, 980, 1054, 1085, 1190, 1240, 1267, 1372, 1448, 1519, 1666, 1715, 1736, 1810, 1960, 2108, 2170, 2380, 2534, 2635, 2744, 3038, 3077, 3332, 3430, 3620, 3689, 4165, 4216, 4340, 4760, 5068, 5270, 5611, 5831, 6076, 6154, 6335, 6664, 6860, 7240, 7378, 7595, 8330, 8680, 8869, 10136, 10540, 10633, 11222, 11662, 12152, 12308, 12670, 13720, 14756, 15190, 15385, 16660, 17738, 18445, 21080, 21266, 21539, 22444, 23324, 24616, 25340, 25823, 28055, 29155, 29512, 30380, 30770, 33320, 35476, 36890, 39277, 42532, 43078, 44345, 44888, 46648, 50680, 51646, 53165, 56110, 58310, 60760, 61540, 62083, 70952, 73780, 78554, 85064, 86156, 88690, 95387, 103292, 106330, 107695, 112220, 116620, 123080, 124166, 129115, 147560, 150773, 157108, 172312, 177380, 180761, 190774, 196385, 206584, 212660, 215390, 224440, 233240, 248332, 258230, 274939, 301546, 310415, 314216, 354760, 361522, 381548, 392770, 425320, 430780, 476935, 496664, 516460, 549878, 603092, 620830, 667709, 723044, 753865, 763096, 785540, 861560, 903805, 953870, 1032920, 1055411, 1099756, 1206184, 1241660, 1335418, 1374695, 1446088, 1507730, 1571080, 1807610, 1907740, 1924573, 2110822, 2199512, 2483320, 2670836, 2749390, 3015460, 3338545, 3615220, 3815480, 3849146, 4221644, 4673963, 5277055, 5341672, 5498780, 6030920, 6677090, 7230440, 7698292, 8443288, 9347926, 9622865, 10554110, 10997560, 13354180, 15396584, 18695852, 19245730, 21108220, 23369815, 26708360, 32717741, 37391704, 38491460, 42216440, 46739630, 65435482, 76982920, 93479260, 130870964, 163588705, 186958520, 261741928, 327177410, 654354820, 1308709640]

約数ペア:

[(1, 1308709640), (2, 654354820), (4, 327177410), (5, 261741928), (7, 186958520), (8, 163588705), (10, 130870964), (14, 93479260), (17, 76982920), (20, 65435482), (28, 46739630), (31, 42216440), (34, 38491460), (35, 37391704), (40, 32717741), (49, 26708360), (56, 23369815), (62, 21108220), (68, 19245730), (70, 18695852), (85, 15396584), (98, 13354180), (119, 10997560), (124, 10554110), (136, 9622865), (140, 9347926), (155, 8443288), (170, 7698292), (181, 7230440), (196, 6677090), (217, 6030920), (238, 5498780), (245, 5341672), (248, 5277055), (280, 4673963), (310, 4221644), (340, 3849146), (343, 3815480), (362, 3615220), (392, 3338545), (434, 3015460), (476, 2749390), (490, 2670836), (527, 2483320), (595, 2199512), (620, 2110822), (680, 1924573), (686, 1907740), (724, 1807610), (833, 1571080), (868, 1507730), (905, 1446088), (952, 1374695), (980, 1335418), (1054, 1241660), (1085, 1206184), (1190, 1099756), (1240, 1055411), (1267, 1032920), (1372, 953870), (1448, 903805), (1519, 861560), (1666, 785540), (1715, 763096), (1736, 753865), (1810, 723044), (1960, 667709), (2108, 620830), (2170, 603092), (2380, 549878), (2534, 516460), (2635, 496664), (2744, 476935), (3038, 430780), (3077, 425320), (3332, 392770), (3430, 381548), (3620, 361522), (3689, 354760), (4165, 314216), (4216, 310415), (4340, 301546), (4760, 274939), (5068, 258230), (5270, 248332), (5611, 233240), (5831, 224440), (6076, 215390), (6154, 212660), (6335, 206584), (6664, 196385), (6860, 190774), (7240, 180761), (7378, 177380), (7595, 172312), (8330, 157108), (8680, 150773), (8869, 147560), (10136, 129115), (10540, 124166), (10633, 123080), (11222, 116620), (11662, 112220), (12152, 107695), (12308, 106330), (12670, 103292), (13720, 95387), (14756, 88690), (15190, 86156), (15385, 85064), (16660, 78554), (17738, 73780), (18445, 70952), (21080, 62083), (21266, 61540), (21539, 60760), (22444, 58310), (23324, 56110), (24616, 53165), (25340, 51646), (25823, 50680), (28055, 46648), (29155, 44888), (29512, 44345), (30380, 43078), (30770, 42532), (33320, 39277), (35476, 36890)]