131967540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:902

約数の個数: 144

約数和(自身を含む): 430859520

約数和(自身を除く): 298891980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 282, 285, 342, 380, 423, 470, 564, 570, 684, 705, 821, 846, 855, 893, 940, 1140, 1410, 1642, 1692, 1710, 1786, 2115, 2463, 2679, 2820, 3284, 3420, 3572, 4105, 4230, 4465, 4926, 5358, 7389, 8037, 8210, 8460, 8930, 9852, 10716, 12315, 13395, 14778, 15599, 16074, 16420, 17860, 24630, 26790, 29556, 31198, 32148, 36945, 38587, 40185, 46797, 49260, 53580, 62396, 73890, 77174, 77995, 80370, 93594, 115761, 140391, 147780, 154348, 155990, 160740, 187188, 192935, 231522, 233985, 280782, 311980, 347283, 385870, 463044, 467970, 561564, 578805, 694566, 701955, 733153, 771740, 935940, 1157610, 1389132, 1403910, 1466306, 1736415, 2199459, 2315220, 2807820, 2932612, 3472830, 3665765, 4398918, 6598377, 6945660, 7331530, 8797836, 10997295, 13196754, 14663060, 21994590, 26393508, 32991885, 43989180, 65983770, 131967540]

約数ペア:

[(1, 131967540), (2, 65983770), (3, 43989180), (4, 32991885), (5, 26393508), (6, 21994590), (9, 14663060), (10, 13196754), (12, 10997295), (15, 8797836), (18, 7331530), (19, 6945660), (20, 6598377), (30, 4398918), (36, 3665765), (38, 3472830), (45, 2932612), (47, 2807820), (57, 2315220), (60, 2199459), (76, 1736415), (90, 1466306), (94, 1403910), (95, 1389132), (114, 1157610), (141, 935940), (171, 771740), (180, 733153), (188, 701955), (190, 694566), (228, 578805), (235, 561564), (282, 467970), (285, 463044), (342, 385870), (380, 347283), (423, 311980), (470, 280782), (564, 233985), (570, 231522), (684, 192935), (705, 187188), (821, 160740), (846, 155990), (855, 154348), (893, 147780), (940, 140391), (1140, 115761), (1410, 93594), (1642, 80370), (1692, 77995), (1710, 77174), (1786, 73890), (2115, 62396), (2463, 53580), (2679, 49260), (2820, 46797), (3284, 40185), (3420, 38587), (3572, 36945), (4105, 32148), (4230, 31198), (4465, 29556), (4926, 26790), (5358, 24630), (7389, 17860), (8037, 16420), (8210, 16074), (8460, 15599), (8930, 14778), (9852, 13395), (10716, 12315)]