261154620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4019}}^1$

素因数の和:4072

約数の個数: 108

約数和(自身を含む): 836264520

約数和(自身を除く): 575109900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 570, 684, 722, 855, 1083, 1140, 1444, 1710, 1805, 2166, 3249, 3420, 3610, 4019, 4332, 5415, 6498, 7220, 8038, 10830, 12057, 12996, 16076, 16245, 20095, 21660, 24114, 32490, 36171, 40190, 48228, 60285, 64980, 72342, 76361, 80380, 120570, 144684, 152722, 180855, 229083, 241140, 305444, 361710, 381805, 458166, 687249, 723420, 763610, 916332, 1145415, 1374498, 1450859, 1527220, 2290830, 2748996, 2901718, 3436245, 4352577, 4581660, 5803436, 6872490, 7254295, 8705154, 13057731, 13744980, 14508590, 17410308, 21762885, 26115462, 29017180, 43525770, 52230924, 65288655, 87051540, 130577310, 261154620]

約数ペア:

[(1, 261154620), (2, 130577310), (3, 87051540), (4, 65288655), (5, 52230924), (6, 43525770), (9, 29017180), (10, 26115462), (12, 21762885), (15, 17410308), (18, 14508590), (19, 13744980), (20, 13057731), (30, 8705154), (36, 7254295), (38, 6872490), (45, 5803436), (57, 4581660), (60, 4352577), (76, 3436245), (90, 2901718), (95, 2748996), (114, 2290830), (171, 1527220), (180, 1450859), (190, 1374498), (228, 1145415), (285, 916332), (342, 763610), (361, 723420), (380, 687249), (570, 458166), (684, 381805), (722, 361710), (855, 305444), (1083, 241140), (1140, 229083), (1444, 180855), (1710, 152722), (1805, 144684), (2166, 120570), (3249, 80380), (3420, 76361), (3610, 72342), (4019, 64980), (4332, 60285), (5415, 48228), (6498, 40190), (7220, 36171), (8038, 32490), (10830, 24114), (12057, 21660), (12996, 20095), (16076, 16245)]