81700380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7963}}^1$

素因数の和:8000

約数の個数: 96

約数和(自身を含む): 267590400

約数和(自身を除く): 185890020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 7963, 10260, 15926, 23889, 31852, 39815, 47778, 71667, 79630, 95556, 119445, 143334, 151297, 159260, 215001, 238890, 286668, 302594, 358335, 430002, 453891, 477780, 605188, 716670, 756485, 860004, 907782, 1075005, 1361673, 1433340, 1512970, 1815564, 2150010, 2269455, 2723346, 3025940, 4085019, 4300020, 4538910, 5446692, 6808365, 8170038, 9077820, 13616730, 16340076, 20425095, 27233460, 40850190, 81700380]

約数ペア:

[(1, 81700380), (2, 40850190), (3, 27233460), (4, 20425095), (5, 16340076), (6, 13616730), (9, 9077820), (10, 8170038), (12, 6808365), (15, 5446692), (18, 4538910), (19, 4300020), (20, 4085019), (27, 3025940), (30, 2723346), (36, 2269455), (38, 2150010), (45, 1815564), (54, 1512970), (57, 1433340), (60, 1361673), (76, 1075005), (90, 907782), (95, 860004), (108, 756485), (114, 716670), (135, 605188), (171, 477780), (180, 453891), (190, 430002), (228, 358335), (270, 302594), (285, 286668), (342, 238890), (380, 215001), (513, 159260), (540, 151297), (570, 143334), (684, 119445), (855, 95556), (1026, 79630), (1140, 71667), (1710, 47778), (2052, 39815), (2565, 31852), (3420, 23889), (5130, 15926), (7963, 10260)]