2158014720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{561983}}^1$

素因数の和:562007

約数の個数: 72

約数和(自身を含む): 6892171776

約数和(自身を除く): 4734157056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 561983, 1123966, 1685949, 2247932, 2809915, 3371898, 4495864, 5619830, 6743796, 8429745, 8991728, 11239660, 13487592, 16859490, 17983456, 22479320, 26975184, 33718980, 35966912, 44958640, 53950368, 67437960, 71933824, 89917280, 107900736, 134875920, 143867648, 179834560, 215801472, 269751840, 359669120, 431602944, 539503680, 719338240, 1079007360, 2158014720]

約数ペア:

[(1, 2158014720), (2, 1079007360), (3, 719338240), (4, 539503680), (5, 431602944), (6, 359669120), (8, 269751840), (10, 215801472), (12, 179834560), (15, 143867648), (16, 134875920), (20, 107900736), (24, 89917280), (30, 71933824), (32, 67437960), (40, 53950368), (48, 44958640), (60, 35966912), (64, 33718980), (80, 26975184), (96, 22479320), (120, 17983456), (128, 16859490), (160, 13487592), (192, 11239660), (240, 8991728), (256, 8429745), (320, 6743796), (384, 5619830), (480, 4495864), (640, 3371898), (768, 2809915), (960, 2247932), (1280, 1685949), (1920, 1123966), (3840, 561983)]