80574720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20983}}^1$

素因数の和:21007

約数の個数: 72

約数和(自身を含む): 257347776

約数和(自身を除く): 176773056

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, 20983, 41966, 62949, 83932, 104915, 125898, 167864, 209830, 251796, 314745, 335728, 419660, 503592, 629490, 671456, 839320, 1007184, 1258980, 1342912, 1678640, 2014368, 2517960, 2685824, 3357280, 4028736, 5035920, 5371648, 6714560, 8057472, 10071840, 13429120, 16114944, 20143680, 26858240, 40287360, 80574720]

約数ペア:

[(1, 80574720), (2, 40287360), (3, 26858240), (4, 20143680), (5, 16114944), (6, 13429120), (8, 10071840), (10, 8057472), (12, 6714560), (15, 5371648), (16, 5035920), (20, 4028736), (24, 3357280), (30, 2685824), (32, 2517960), (40, 2014368), (48, 1678640), (60, 1342912), (64, 1258980), (80, 1007184), (96, 839320), (120, 671456), (128, 629490), (160, 503592), (192, 419660), (240, 335728), (256, 314745), (320, 251796), (384, 209830), (480, 167864), (640, 125898), (768, 104915), (960, 83932), (1280, 62949), (1920, 41966), (3840, 20983)]