1561763840

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 224

約数和(自身を含む): 4623937920

約数和(自身を除く): 3062174080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 419, 448, 455, 512, 520, 560, 640, 728, 832, 838, 896, 910, 1024, 1040, 1120, 1280, 1456, 1664, 1676, 1792, 1820, 2048, 2080, 2095, 2240, 2560, 2912, 2933, 3328, 3352, 3584, 3640, 4096, 4160, 4190, 4480, 5120, 5447, 5824, 5866, 6656, 6704, 7168, 7280, 8192, 8320, 8380, 8960, 10240, 10894, 11648, 11732, 13312, 13408, 14336, 14560, 14665, 16640, 16760, 17920, 20480, 21788, 23296, 23464, 26624, 26816, 27235, 28672, 29120, 29330, 33280, 33520, 35840, 38129, 40960, 43576, 46592, 46928, 53248, 53632, 54470, 57344, 58240, 58660, 66560, 67040, 71680, 76258, 87152, 93184, 93856, 106496, 107264, 108940, 116480, 117320, 133120, 134080, 143360, 152516, 174304, 186368, 187712, 190645, 214528, 217880, 232960, 234640, 266240, 268160, 286720, 305032, 348608, 372736, 375424, 381290, 429056, 435760, 465920, 469280, 532480, 536320, 610064, 697216, 745472, 750848, 762580, 858112, 871520, 931840, 938560, 1072640, 1220128, 1394432, 1501696, 1525160, 1716224, 1743040, 1863680, 1877120, 2145280, 2440256, 2788864, 3003392, 3050320, 3432448, 3486080, 3727360, 3754240, 4290560, 4880512, 5577728, 6006784, 6100640, 6972160, 7508480, 8581120, 9761024, 11155456, 12013568, 12201280, 13944320, 15016960, 17162240, 19522048, 22310912, 24027136, 24402560, 27888640, 30033920, 39044096, 44621824, 48805120, 55777280, 60067840, 78088192, 97610240, 111554560, 120135680, 156176384, 195220480, 223109120, 312352768, 390440960, 780881920, 1561763840]

約数ペア:

[(1, 1561763840), (2, 780881920), (4, 390440960), (5, 312352768), (7, 223109120), (8, 195220480), (10, 156176384), (13, 120135680), (14, 111554560), (16, 97610240), (20, 78088192), (26, 60067840), (28, 55777280), (32, 48805120), (35, 44621824), (40, 39044096), (52, 30033920), (56, 27888640), (64, 24402560), (65, 24027136), (70, 22310912), (80, 19522048), (91, 17162240), (104, 15016960), (112, 13944320), (128, 12201280), (130, 12013568), (140, 11155456), (160, 9761024), (182, 8581120), (208, 7508480), (224, 6972160), (256, 6100640), (260, 6006784), (280, 5577728), (320, 4880512), (364, 4290560), (416, 3754240), (419, 3727360), (448, 3486080), (455, 3432448), (512, 3050320), (520, 3003392), (560, 2788864), (640, 2440256), (728, 2145280), (832, 1877120), (838, 1863680), (896, 1743040), (910, 1716224), (1024, 1525160), (1040, 1501696), (1120, 1394432), (1280, 1220128), (1456, 1072640), (1664, 938560), (1676, 931840), (1792, 871520), (1820, 858112), (2048, 762580), (2080, 750848), (2095, 745472), (2240, 697216), (2560, 610064), (2912, 536320), (2933, 532480), (3328, 469280), (3352, 465920), (3584, 435760), (3640, 429056), (4096, 381290), (4160, 375424), (4190, 372736), (4480, 348608), (5120, 305032), (5447, 286720), (5824, 268160), (5866, 266240), (6656, 234640), (6704, 232960), (7168, 217880), (7280, 214528), (8192, 190645), (8320, 187712), (8380, 186368), (8960, 174304), (10240, 152516), (10894, 143360), (11648, 134080), (11732, 133120), (13312, 117320), (13408, 116480), (14336, 108940), (14560, 107264), (14665, 106496), (16640, 93856), (16760, 93184), (17920, 87152), (20480, 76258), (21788, 71680), (23296, 67040), (23464, 66560), (26624, 58660), (26816, 58240), (27235, 57344), (28672, 54470), (29120, 53632), (29330, 53248), (33280, 46928), (33520, 46592), (35840, 43576), (38129, 40960)]