205606980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 665683200

約数和(自身を除く): 460076220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 228, 237, 285, 316, 342, 380, 395, 474, 570, 684, 711, 761, 790, 855, 948, 1140, 1185, 1422, 1501, 1522, 1580, 1710, 2283, 2370, 2844, 3002, 3044, 3420, 3555, 3805, 4503, 4566, 4740, 6004, 6849, 7110, 7505, 7610, 9006, 9132, 11415, 13509, 13698, 14220, 14459, 15010, 15220, 18012, 22515, 22830, 27018, 27396, 28918, 30020, 34245, 43377, 45030, 45660, 54036, 57836, 60119, 67545, 68490, 72295, 86754, 90060, 120238, 130131, 135090, 136980, 144590, 173508, 180357, 216885, 240476, 260262, 270180, 289180, 300595, 360714, 433770, 520524, 541071, 601190, 650655, 721428, 867540, 901785, 1082142, 1142261, 1202380, 1301310, 1803570, 2164284, 2284522, 2602620, 2705355, 3426783, 3607140, 4569044, 5410710, 5711305, 6853566, 10280349, 10821420, 11422610, 13707132, 17133915, 20560698, 22845220, 34267830, 41121396, 51401745, 68535660, 102803490, 205606980]

約数ペア:

[(1, 205606980), (2, 102803490), (3, 68535660), (4, 51401745), (5, 41121396), (6, 34267830), (9, 22845220), (10, 20560698), (12, 17133915), (15, 13707132), (18, 11422610), (19, 10821420), (20, 10280349), (30, 6853566), (36, 5711305), (38, 5410710), (45, 4569044), (57, 3607140), (60, 3426783), (76, 2705355), (79, 2602620), (90, 2284522), (95, 2164284), (114, 1803570), (158, 1301310), (171, 1202380), (180, 1142261), (190, 1082142), (228, 901785), (237, 867540), (285, 721428), (316, 650655), (342, 601190), (380, 541071), (395, 520524), (474, 433770), (570, 360714), (684, 300595), (711, 289180), (761, 270180), (790, 260262), (855, 240476), (948, 216885), (1140, 180357), (1185, 173508), (1422, 144590), (1501, 136980), (1522, 135090), (1580, 130131), (1710, 120238), (2283, 90060), (2370, 86754), (2844, 72295), (3002, 68490), (3044, 67545), (3420, 60119), (3555, 57836), (3805, 54036), (4503, 45660), (4566, 45030), (4740, 43377), (6004, 34245), (6849, 30020), (7110, 28918), (7505, 27396), (7610, 27018), (9006, 22830), (9132, 22515), (11415, 18012), (13509, 15220), (13698, 15010), (14220, 14459)]