2456555780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{941}}^1$

素因数の和:1629

約数の個数: 96

約数和(自身を含む): 6115011840

約数和(自身を除く): 3658456060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 643, 812, 941, 1015, 1286, 1882, 2030, 2572, 3215, 3764, 4060, 4501, 4705, 6430, 6587, 9002, 9410, 12860, 13174, 18004, 18647, 18820, 22505, 26348, 27289, 32935, 37294, 45010, 54578, 65870, 74588, 90020, 93235, 109156, 130529, 131740, 136445, 186470, 191023, 261058, 272890, 372940, 382046, 522116, 545780, 605063, 652645, 764092, 955115, 1210126, 1305290, 1910230, 2420252, 2610580, 3025315, 3820460, 4235441, 6050630, 8470882, 12101260, 16941764, 17546827, 21177205, 35093654, 42354410, 70187308, 84708820, 87734135, 122827789, 175468270, 245655578, 350936540, 491311156, 614138945, 1228277890, 2456555780]

約数ペア:

[(1, 2456555780), (2, 1228277890), (4, 614138945), (5, 491311156), (7, 350936540), (10, 245655578), (14, 175468270), (20, 122827789), (28, 87734135), (29, 84708820), (35, 70187308), (58, 42354410), (70, 35093654), (116, 21177205), (140, 17546827), (145, 16941764), (203, 12101260), (290, 8470882), (406, 6050630), (580, 4235441), (643, 3820460), (812, 3025315), (941, 2610580), (1015, 2420252), (1286, 1910230), (1882, 1305290), (2030, 1210126), (2572, 955115), (3215, 764092), (3764, 652645), (4060, 605063), (4501, 545780), (4705, 522116), (6430, 382046), (6587, 372940), (9002, 272890), (9410, 261058), (12860, 191023), (13174, 186470), (18004, 136445), (18647, 131740), (18820, 130529), (22505, 109156), (26348, 93235), (27289, 90020), (32935, 74588), (37294, 65870), (45010, 54578)]