121569280

素因数分解:

$2^{16}\times 5^1\times 7^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 136

約数和(自身を含む): 339736032

約数和(自身を除く): 218166752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 256, 265, 280, 320, 371, 424, 448, 512, 530, 560, 640, 742, 848, 896, 1024, 1060, 1120, 1280, 1484, 1696, 1792, 1855, 2048, 2120, 2240, 2560, 2968, 3392, 3584, 3710, 4096, 4240, 4480, 5120, 5936, 6784, 7168, 7420, 8192, 8480, 8960, 10240, 11872, 13568, 14336, 14840, 16384, 16960, 17920, 20480, 23744, 27136, 28672, 29680, 32768, 33920, 35840, 40960, 47488, 54272, 57344, 59360, 65536, 67840, 71680, 81920, 94976, 108544, 114688, 118720, 135680, 143360, 163840, 189952, 217088, 229376, 237440, 271360, 286720, 327680, 379904, 434176, 458752, 474880, 542720, 573440, 759808, 868352, 949760, 1085440, 1146880, 1519616, 1736704, 1899520, 2170880, 2293760, 3039232, 3473408, 3799040, 4341760, 6078464, 7598080, 8683520, 12156928, 15196160, 17367040, 24313856, 30392320, 60784640, 121569280]

約数ペア:

[(1, 121569280), (2, 60784640), (4, 30392320), (5, 24313856), (7, 17367040), (8, 15196160), (10, 12156928), (14, 8683520), (16, 7598080), (20, 6078464), (28, 4341760), (32, 3799040), (35, 3473408), (40, 3039232), (53, 2293760), (56, 2170880), (64, 1899520), (70, 1736704), (80, 1519616), (106, 1146880), (112, 1085440), (128, 949760), (140, 868352), (160, 759808), (212, 573440), (224, 542720), (256, 474880), (265, 458752), (280, 434176), (320, 379904), (371, 327680), (424, 286720), (448, 271360), (512, 237440), (530, 229376), (560, 217088), (640, 189952), (742, 163840), (848, 143360), (896, 135680), (1024, 118720), (1060, 114688), (1120, 108544), (1280, 94976), (1484, 81920), (1696, 71680), (1792, 67840), (1855, 65536), (2048, 59360), (2120, 57344), (2240, 54272), (2560, 47488), (2968, 40960), (3392, 35840), (3584, 33920), (3710, 32768), (4096, 29680), (4240, 28672), (4480, 27136), (5120, 23744), (5936, 20480), (6784, 17920), (7168, 16960), (7420, 16384), (8192, 14840), (8480, 14336), (8960, 13568), (10240, 11872)]