2557874480

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 240

約数和(自身を含む): 7240161600

約数和(自身を除く): 4682287120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 97, 98, 112, 124, 140, 155, 194, 196, 217, 245, 248, 280, 310, 343, 388, 392, 434, 485, 490, 496, 560, 620, 679, 686, 776, 784, 868, 961, 970, 980, 1085, 1240, 1358, 1372, 1519, 1552, 1715, 1736, 1922, 1940, 1960, 2170, 2480, 2716, 2744, 3007, 3038, 3395, 3430, 3472, 3844, 3880, 3920, 4340, 4753, 4805, 5432, 5488, 6014, 6076, 6727, 6790, 6860, 7595, 7688, 7760, 8680, 9506, 9610, 10633, 10864, 12028, 12152, 13454, 13580, 13720, 15035, 15190, 15376, 17360, 19012, 19220, 21049, 21266, 23765, 24056, 24304, 26908, 27160, 27440, 30070, 30380, 33271, 33635, 38024, 38440, 42098, 42532, 47089, 47530, 48112, 53165, 53816, 54320, 60140, 60760, 66542, 67270, 76048, 76880, 84196, 85064, 93217, 94178, 95060, 105245, 106330, 107632, 120280, 121520, 133084, 134540, 147343, 166355, 168392, 170128, 186434, 188356, 190120, 210490, 212660, 235445, 240560, 266168, 269080, 294686, 329623, 332710, 336784, 372868, 376712, 380240, 420980, 425320, 466085, 470890, 532336, 538160, 589372, 652519, 659246, 665420, 736715, 745736, 753424, 841960, 850640, 932170, 941780, 1031401, 1178744, 1305038, 1318492, 1330840, 1473430, 1491472, 1648115, 1683920, 1864340, 1883560, 2062802, 2357488, 2610076, 2636984, 2661680, 2946860, 3262595, 3296230, 3728680, 3767120, 4125604, 4567633, 5157005, 5220152, 5273968, 5893720, 6525190, 6592460, 7457360, 8251208, 9135266, 10314010, 10440304, 11787440, 13050380, 13184920, 16502416, 18270532, 20628020, 22838165, 26100760, 26369840, 31973431, 36541064, 41256040, 45676330, 52201520, 63946862, 73082128, 82512080, 91352660, 127893724, 159867155, 182705320, 255787448, 319734310, 365410640, 511574896, 639468620, 1278937240, 2557874480]

約数ペア:

[(1, 2557874480), (2, 1278937240), (4, 639468620), (5, 511574896), (7, 365410640), (8, 319734310), (10, 255787448), (14, 182705320), (16, 159867155), (20, 127893724), (28, 91352660), (31, 82512080), (35, 73082128), (40, 63946862), (49, 52201520), (56, 45676330), (62, 41256040), (70, 36541064), (80, 31973431), (97, 26369840), (98, 26100760), (112, 22838165), (124, 20628020), (140, 18270532), (155, 16502416), (194, 13184920), (196, 13050380), (217, 11787440), (245, 10440304), (248, 10314010), (280, 9135266), (310, 8251208), (343, 7457360), (388, 6592460), (392, 6525190), (434, 5893720), (485, 5273968), (490, 5220152), (496, 5157005), (560, 4567633), (620, 4125604), (679, 3767120), (686, 3728680), (776, 3296230), (784, 3262595), (868, 2946860), (961, 2661680), (970, 2636984), (980, 2610076), (1085, 2357488), (1240, 2062802), (1358, 1883560), (1372, 1864340), (1519, 1683920), (1552, 1648115), (1715, 1491472), (1736, 1473430), (1922, 1330840), (1940, 1318492), (1960, 1305038), (2170, 1178744), (2480, 1031401), (2716, 941780), (2744, 932170), (3007, 850640), (3038, 841960), (3395, 753424), (3430, 745736), (3472, 736715), (3844, 665420), (3880, 659246), (3920, 652519), (4340, 589372), (4753, 538160), (4805, 532336), (5432, 470890), (5488, 466085), (6014, 425320), (6076, 420980), (6727, 380240), (6790, 376712), (6860, 372868), (7595, 336784), (7688, 332710), (7760, 329623), (8680, 294686), (9506, 269080), (9610, 266168), (10633, 240560), (10864, 235445), (12028, 212660), (12152, 210490), (13454, 190120), (13580, 188356), (13720, 186434), (15035, 170128), (15190, 168392), (15376, 166355), (17360, 147343), (19012, 134540), (19220, 133084), (21049, 121520), (21266, 120280), (23765, 107632), (24056, 106330), (24304, 105245), (26908, 95060), (27160, 94178), (27440, 93217), (30070, 85064), (30380, 84196), (33271, 76880), (33635, 76048), (38024, 67270), (38440, 66542), (42098, 60760), (42532, 60140), (47089, 54320), (47530, 53816), (48112, 53165)]