1218560

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{17}}^1$

素因数の和:51

約数の個数: 96

約数和(自身を含む): 3538080

約数和(自身を除く): 2319520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 512, 544, 560, 595, 640, 680, 896, 952, 1024, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 2048, 2176, 2240, 2380, 2560, 2720, 3584, 3808, 4352, 4480, 4760, 5120, 5440, 7168, 7616, 8704, 8960, 9520, 10240, 10880, 14336, 15232, 17408, 17920, 19040, 21760, 30464, 34816, 35840, 38080, 43520, 60928, 71680, 76160, 87040, 121856, 152320, 174080, 243712, 304640, 609280, 1218560]

約数ペア:

[(1, 1218560), (2, 609280), (4, 304640), (5, 243712), (7, 174080), (8, 152320), (10, 121856), (14, 87040), (16, 76160), (17, 71680), (20, 60928), (28, 43520), (32, 38080), (34, 35840), (35, 34816), (40, 30464), (56, 21760), (64, 19040), (68, 17920), (70, 17408), (80, 15232), (85, 14336), (112, 10880), (119, 10240), (128, 9520), (136, 8960), (140, 8704), (160, 7616), (170, 7168), (224, 5440), (238, 5120), (256, 4760), (272, 4480), (280, 4352), (320, 3808), (340, 3584), (448, 2720), (476, 2560), (512, 2380), (544, 2240), (560, 2176), (595, 2048), (640, 1904), (680, 1792), (896, 1360), (952, 1280), (1024, 1190), (1088, 1120)]