191978880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{99989}}^1$

素因数の和:100011

約数の個数: 64

約数和(自身を含む): 611938800

約数和(自身を除く): 419959920

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, 320, 384, 480, 640, 960, 1920, 99989, 199978, 299967, 399956, 499945, 599934, 799912, 999890, 1199868, 1499835, 1599824, 1999780, 2399736, 2999670, 3199648, 3999560, 4799472, 5999340, 6399296, 7999120, 9598944, 11998680, 12798592, 15998240, 19197888, 23997360, 31996480, 38395776, 47994720, 63992960, 95989440, 191978880]

約数ペア:

[(1, 191978880), (2, 95989440), (3, 63992960), (4, 47994720), (5, 38395776), (6, 31996480), (8, 23997360), (10, 19197888), (12, 15998240), (15, 12798592), (16, 11998680), (20, 9598944), (24, 7999120), (30, 6399296), (32, 5999340), (40, 4799472), (48, 3999560), (60, 3199648), (64, 2999670), (80, 2399736), (96, 1999780), (120, 1599824), (128, 1499835), (160, 1199868), (192, 999890), (240, 799912), (320, 599934), (384, 499945), (480, 399956), (640, 299967), (960, 199978), (1920, 99989)]