278228520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1189

約数の個数: 160

約数和(自身を含む): 947865600

約数和(自身を除く): 669637080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 90, 108, 120, 135, 158, 162, 180, 216, 237, 270, 316, 324, 360, 395, 405, 474, 540, 632, 648, 711, 790, 810, 948, 1080, 1087, 1185, 1422, 1580, 1620, 1896, 2133, 2174, 2370, 2844, 3160, 3240, 3261, 3555, 4266, 4348, 4740, 5435, 5688, 6399, 6522, 7110, 8532, 8696, 9480, 9783, 10665, 10870, 12798, 13044, 14220, 16305, 17064, 19566, 21330, 21740, 25596, 26088, 28440, 29349, 31995, 32610, 39132, 42660, 43480, 48915, 51192, 58698, 63990, 65220, 78264, 85320, 85873, 88047, 97830, 117396, 127980, 130440, 146745, 171746, 176094, 195660, 234792, 255960, 257619, 293490, 343492, 352188, 391320, 429365, 440235, 515238, 586980, 686984, 704376, 772857, 858730, 880470, 1030476, 1173960, 1288095, 1545714, 1717460, 1760940, 2060952, 2318571, 2576190, 3091428, 3434920, 3521880, 3864285, 4637142, 5152380, 6182856, 6955713, 7728570, 9274284, 10304760, 11592855, 13911426, 15457140, 18548568, 23185710, 27822852, 30914280, 34778565, 46371420, 55645704, 69557130, 92742840, 139114260, 278228520]

約数ペア:

[(1, 278228520), (2, 139114260), (3, 92742840), (4, 69557130), (5, 55645704), (6, 46371420), (8, 34778565), (9, 30914280), (10, 27822852), (12, 23185710), (15, 18548568), (18, 15457140), (20, 13911426), (24, 11592855), (27, 10304760), (30, 9274284), (36, 7728570), (40, 6955713), (45, 6182856), (54, 5152380), (60, 4637142), (72, 3864285), (79, 3521880), (81, 3434920), (90, 3091428), (108, 2576190), (120, 2318571), (135, 2060952), (158, 1760940), (162, 1717460), (180, 1545714), (216, 1288095), (237, 1173960), (270, 1030476), (316, 880470), (324, 858730), (360, 772857), (395, 704376), (405, 686984), (474, 586980), (540, 515238), (632, 440235), (648, 429365), (711, 391320), (790, 352188), (810, 343492), (948, 293490), (1080, 257619), (1087, 255960), (1185, 234792), (1422, 195660), (1580, 176094), (1620, 171746), (1896, 146745), (2133, 130440), (2174, 127980), (2370, 117396), (2844, 97830), (3160, 88047), (3240, 85873), (3261, 85320), (3555, 78264), (4266, 65220), (4348, 63990), (4740, 58698), (5435, 51192), (5688, 48915), (6399, 43480), (6522, 42660), (7110, 39132), (8532, 32610), (8696, 31995), (9480, 29349), (9783, 28440), (10665, 26088), (10870, 25596), (12798, 21740), (13044, 21330), (14220, 19566), (16305, 17064)]