1115518720

素因数分解:

$2^8\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1907}}^1$

素因数の和:2385

約数の個数: 72

約数和(自身を含む): 2679267024

約数和(自身を除く): 1563748304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 457, 640, 914, 1280, 1828, 1907, 2285, 3656, 3814, 4570, 7312, 7628, 9140, 9535, 14624, 15256, 18280, 19070, 29248, 30512, 36560, 38140, 58496, 61024, 73120, 76280, 116992, 122048, 146240, 152560, 244096, 292480, 305120, 488192, 584960, 610240, 871499, 1220480, 1742998, 2440960, 3485996, 4357495, 6971992, 8714990, 13943984, 17429980, 27887968, 34859960, 55775936, 69719920, 111551872, 139439840, 223103744, 278879680, 557759360, 1115518720]

約数ペア:

[(1, 1115518720), (2, 557759360), (4, 278879680), (5, 223103744), (8, 139439840), (10, 111551872), (16, 69719920), (20, 55775936), (32, 34859960), (40, 27887968), (64, 17429980), (80, 13943984), (128, 8714990), (160, 6971992), (256, 4357495), (320, 3485996), (457, 2440960), (640, 1742998), (914, 1220480), (1280, 871499), (1828, 610240), (1907, 584960), (2285, 488192), (3656, 305120), (3814, 292480), (4570, 244096), (7312, 152560), (7628, 146240), (9140, 122048), (9535, 116992), (14624, 76280), (15256, 73120), (18280, 61024), (19070, 58496), (29248, 38140), (30512, 36560)]