256902660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3847}}^1$

素因数の和:3922

約数の個数: 144

約数和(自身を含む): 907635456

約数和(自身を除く): 650732796

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 795, 954, 1060, 1113, 1260, 1484, 1590, 1855, 1908, 2226, 2385, 3180, 3339, 3710, 3847, 4452, 4770, 5565, 6678, 7420, 7694, 9540, 11130, 11541, 13356, 15388, 16695, 19235, 22260, 23082, 26929, 33390, 34623, 38470, 46164, 53858, 57705, 66780, 69246, 76940, 80787, 107716, 115410, 134645, 138492, 161574, 173115, 203891, 230820, 242361, 269290, 323148, 346230, 403935, 407782, 484722, 538580, 611673, 692460, 807870, 815564, 969444, 1019455, 1211805, 1223346, 1427237, 1615740, 1835019, 2038910, 2423610, 2446692, 2854474, 3058365, 3670038, 4077820, 4281711, 4847220, 5708948, 6116730, 7136185, 7340076, 8563422, 9175095, 12233460, 12845133, 14272370, 17126844, 18350190, 21408555, 25690266, 28544740, 36700380, 42817110, 51380532, 64225665, 85634220, 128451330, 256902660]

約数ペア:

[(1, 256902660), (2, 128451330), (3, 85634220), (4, 64225665), (5, 51380532), (6, 42817110), (7, 36700380), (9, 28544740), (10, 25690266), (12, 21408555), (14, 18350190), (15, 17126844), (18, 14272370), (20, 12845133), (21, 12233460), (28, 9175095), (30, 8563422), (35, 7340076), (36, 7136185), (42, 6116730), (45, 5708948), (53, 4847220), (60, 4281711), (63, 4077820), (70, 3670038), (84, 3058365), (90, 2854474), (105, 2446692), (106, 2423610), (126, 2038910), (140, 1835019), (159, 1615740), (180, 1427237), (210, 1223346), (212, 1211805), (252, 1019455), (265, 969444), (315, 815564), (318, 807870), (371, 692460), (420, 611673), (477, 538580), (530, 484722), (630, 407782), (636, 403935), (742, 346230), (795, 323148), (954, 269290), (1060, 242361), (1113, 230820), (1260, 203891), (1484, 173115), (1590, 161574), (1855, 138492), (1908, 134645), (2226, 115410), (2385, 107716), (3180, 80787), (3339, 76940), (3710, 69246), (3847, 66780), (4452, 57705), (4770, 53858), (5565, 46164), (6678, 38470), (7420, 34623), (7694, 33390), (9540, 26929), (11130, 23082), (11541, 22260), (13356, 19235), (15388, 16695)]