206440380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{887}}^1$

素因数の和:1336

約数の個数: 96

約数和(自身を含む): 644474880

約数和(自身を除く): 438034500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 431, 540, 862, 887, 1293, 1724, 1774, 2155, 2586, 2661, 3548, 3879, 4310, 4435, 5172, 5322, 6465, 7758, 7983, 8620, 8870, 10644, 11637, 12930, 13305, 15516, 15966, 17740, 19395, 23274, 23949, 25860, 26610, 31932, 38790, 39915, 46548, 47898, 53220, 58185, 77580, 79830, 95796, 116370, 119745, 159660, 232740, 239490, 382297, 478980, 764594, 1146891, 1529188, 1911485, 2293782, 3440673, 3822970, 4587564, 5734455, 6881346, 7645940, 10322019, 11468910, 13762692, 17203365, 20644038, 22937820, 34406730, 41288076, 51610095, 68813460, 103220190, 206440380]

約数ペア:

[(1, 206440380), (2, 103220190), (3, 68813460), (4, 51610095), (5, 41288076), (6, 34406730), (9, 22937820), (10, 20644038), (12, 17203365), (15, 13762692), (18, 11468910), (20, 10322019), (27, 7645940), (30, 6881346), (36, 5734455), (45, 4587564), (54, 3822970), (60, 3440673), (90, 2293782), (108, 1911485), (135, 1529188), (180, 1146891), (270, 764594), (431, 478980), (540, 382297), (862, 239490), (887, 232740), (1293, 159660), (1724, 119745), (1774, 116370), (2155, 95796), (2586, 79830), (2661, 77580), (3548, 58185), (3879, 53220), (4310, 47898), (4435, 46548), (5172, 39915), (5322, 38790), (6465, 31932), (7758, 26610), (7983, 25860), (8620, 23949), (8870, 23274), (10644, 19395), (11637, 17740), (12930, 15966), (13305, 15516)]