2121566720

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1301}}^1$

素因数の和:1351

約数の個数: 240

約数和(自身を含む): 6377357448

約数和(自身を除く): 4255790728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 280, 320, 364, 392, 416, 448, 455, 490, 512, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1280, 1301, 1456, 1568, 1664, 1792, 1820, 1960, 2080, 2240, 2548, 2560, 2602, 2912, 3136, 3185, 3328, 3584, 3640, 3920, 4160, 4480, 5096, 5204, 5824, 6272, 6370, 6505, 6656, 7280, 7840, 8320, 8960, 9107, 10192, 10408, 11648, 12544, 12740, 13010, 14560, 15680, 16640, 16913, 17920, 18214, 20384, 20816, 23296, 25088, 25480, 26020, 29120, 31360, 33280, 33826, 36428, 40768, 41632, 45535, 46592, 50960, 52040, 58240, 62720, 63749, 67652, 72856, 81536, 83264, 84565, 91070, 101920, 104080, 116480, 118391, 125440, 127498, 135304, 145712, 163072, 166528, 169130, 182140, 203840, 208160, 232960, 236782, 254996, 270608, 291424, 318745, 326144, 333056, 338260, 364280, 407680, 416320, 473564, 509992, 541216, 582848, 591955, 637490, 666112, 676520, 728560, 815360, 828737, 832640, 947128, 1019984, 1082432, 1165696, 1183910, 1274980, 1353040, 1457120, 1630720, 1657474, 1665280, 1894256, 2039968, 2164864, 2331392, 2367820, 2549960, 2706080, 2914240, 3314948, 3330560, 3788512, 4079936, 4143685, 4329728, 4662784, 4735640, 5099920, 5412160, 5828480, 6629896, 7577024, 8159872, 8287370, 8659456, 9471280, 10199840, 10824320, 11656960, 13259792, 15154048, 16319744, 16574740, 18942560, 20399680, 21648640, 23313920, 26519584, 30308096, 32639488, 33149480, 37885120, 40799360, 43297280, 53039168, 60616192, 66298960, 75770240, 81598720, 106078336, 132597920, 151540480, 163197440, 212156672, 265195840, 303080960, 424313344, 530391680, 1060783360, 2121566720]

約数ペア:

[(1, 2121566720), (2, 1060783360), (4, 530391680), (5, 424313344), (7, 303080960), (8, 265195840), (10, 212156672), (13, 163197440), (14, 151540480), (16, 132597920), (20, 106078336), (26, 81598720), (28, 75770240), (32, 66298960), (35, 60616192), (40, 53039168), (49, 43297280), (52, 40799360), (56, 37885120), (64, 33149480), (65, 32639488), (70, 30308096), (80, 26519584), (91, 23313920), (98, 21648640), (104, 20399680), (112, 18942560), (128, 16574740), (130, 16319744), (140, 15154048), (160, 13259792), (182, 11656960), (196, 10824320), (208, 10199840), (224, 9471280), (245, 8659456), (256, 8287370), (260, 8159872), (280, 7577024), (320, 6629896), (364, 5828480), (392, 5412160), (416, 5099920), (448, 4735640), (455, 4662784), (490, 4329728), (512, 4143685), (520, 4079936), (560, 3788512), (637, 3330560), (640, 3314948), (728, 2914240), (784, 2706080), (832, 2549960), (896, 2367820), (910, 2331392), (980, 2164864), (1040, 2039968), (1120, 1894256), (1274, 1665280), (1280, 1657474), (1301, 1630720), (1456, 1457120), (1568, 1353040), (1664, 1274980), (1792, 1183910), (1820, 1165696), (1960, 1082432), (2080, 1019984), (2240, 947128), (2548, 832640), (2560, 828737), (2602, 815360), (2912, 728560), (3136, 676520), (3185, 666112), (3328, 637490), (3584, 591955), (3640, 582848), (3920, 541216), (4160, 509992), (4480, 473564), (5096, 416320), (5204, 407680), (5824, 364280), (6272, 338260), (6370, 333056), (6505, 326144), (6656, 318745), (7280, 291424), (7840, 270608), (8320, 254996), (8960, 236782), (9107, 232960), (10192, 208160), (10408, 203840), (11648, 182140), (12544, 169130), (12740, 166528), (13010, 163072), (14560, 145712), (15680, 135304), (16640, 127498), (16913, 125440), (17920, 118391), (18214, 116480), (20384, 104080), (20816, 101920), (23296, 91070), (25088, 84565), (25480, 83264), (26020, 81536), (29120, 72856), (31360, 67652), (33280, 63749), (33826, 62720), (36428, 58240), (40768, 52040), (41632, 50960), (45535, 46592)]