447749120

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:107

約数の個数: 264

約数和(自身を含む): 1365954912

約数和(自身を除く): 918205792

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 128, 130, 140, 155, 160, 182, 208, 217, 224, 248, 256, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 512, 520, 560, 620, 640, 728, 806, 832, 868, 896, 910, 961, 992, 1024, 1040, 1085, 1120, 1240, 1280, 1456, 1612, 1664, 1736, 1792, 1820, 1922, 1984, 2015, 2080, 2170, 2240, 2480, 2560, 2821, 2912, 3224, 3328, 3472, 3584, 3640, 3844, 3968, 4030, 4160, 4340, 4480, 4805, 4960, 5120, 5642, 5824, 6448, 6656, 6727, 6944, 7168, 7280, 7688, 7936, 8060, 8320, 8680, 8960, 9610, 9920, 11284, 11648, 12493, 12896, 13312, 13454, 13888, 14105, 14560, 15376, 15872, 16120, 16640, 17360, 17920, 19220, 19840, 22568, 23296, 24986, 25792, 26908, 27776, 28210, 29120, 30752, 31744, 32240, 33280, 33635, 34720, 35840, 38440, 39680, 45136, 46592, 49972, 51584, 53816, 55552, 56420, 58240, 61504, 62465, 64480, 66560, 67270, 69440, 76880, 79360, 87451, 90272, 93184, 99944, 103168, 107632, 111104, 112840, 116480, 123008, 124930, 128960, 134540, 138880, 153760, 158720, 174902, 180544, 199888, 206336, 215264, 222208, 225680, 232960, 246016, 249860, 257920, 269080, 277760, 307520, 349804, 361088, 399776, 412672, 430528, 437255, 451360, 465920, 492032, 499720, 515840, 538160, 555520, 615040, 699608, 722176, 799552, 861056, 874510, 902720, 984064, 999440, 1031680, 1076320, 1111040, 1230080, 1399216, 1444352, 1599104, 1722112, 1749020, 1805440, 1998880, 2063360, 2152640, 2460160, 2798432, 2888704, 3198208, 3444224, 3498040, 3610880, 3997760, 4305280, 4920320, 5596864, 6396416, 6888448, 6996080, 7221760, 7995520, 8610560, 11193728, 12792832, 13992160, 14443520, 15991040, 17221120, 22387456, 27984320, 31982080, 34442240, 44774912, 55968640, 63964160, 89549824, 111937280, 223874560, 447749120]

約数ペア:

[(1, 447749120), (2, 223874560), (4, 111937280), (5, 89549824), (7, 63964160), (8, 55968640), (10, 44774912), (13, 34442240), (14, 31982080), (16, 27984320), (20, 22387456), (26, 17221120), (28, 15991040), (31, 14443520), (32, 13992160), (35, 12792832), (40, 11193728), (52, 8610560), (56, 7995520), (62, 7221760), (64, 6996080), (65, 6888448), (70, 6396416), (80, 5596864), (91, 4920320), (104, 4305280), (112, 3997760), (124, 3610880), (128, 3498040), (130, 3444224), (140, 3198208), (155, 2888704), (160, 2798432), (182, 2460160), (208, 2152640), (217, 2063360), (224, 1998880), (248, 1805440), (256, 1749020), (260, 1722112), (280, 1599104), (310, 1444352), (320, 1399216), (364, 1230080), (403, 1111040), (416, 1076320), (434, 1031680), (448, 999440), (455, 984064), (496, 902720), (512, 874510), (520, 861056), (560, 799552), (620, 722176), (640, 699608), (728, 615040), (806, 555520), (832, 538160), (868, 515840), (896, 499720), (910, 492032), (961, 465920), (992, 451360), (1024, 437255), (1040, 430528), (1085, 412672), (1120, 399776), (1240, 361088), (1280, 349804), (1456, 307520), (1612, 277760), (1664, 269080), (1736, 257920), (1792, 249860), (1820, 246016), (1922, 232960), (1984, 225680), (2015, 222208), (2080, 215264), (2170, 206336), (2240, 199888), (2480, 180544), (2560, 174902), (2821, 158720), (2912, 153760), (3224, 138880), (3328, 134540), (3472, 128960), (3584, 124930), (3640, 123008), (3844, 116480), (3968, 112840), (4030, 111104), (4160, 107632), (4340, 103168), (4480, 99944), (4805, 93184), (4960, 90272), (5120, 87451), (5642, 79360), (5824, 76880), (6448, 69440), (6656, 67270), (6727, 66560), (6944, 64480), (7168, 62465), (7280, 61504), (7688, 58240), (7936, 56420), (8060, 55552), (8320, 53816), (8680, 51584), (8960, 49972), (9610, 46592), (9920, 45136), (11284, 39680), (11648, 38440), (12493, 35840), (12896, 34720), (13312, 33635), (13454, 33280), (13888, 32240), (14105, 31744), (14560, 30752), (15376, 29120), (15872, 28210), (16120, 27776), (16640, 26908), (17360, 25792), (17920, 24986), (19220, 23296), (19840, 22568)]