409393920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 288

約数和(自身を含む): 1442246400

約数和(自身を除く): 1032852480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 59, 60, 64, 65, 78, 80, 96, 104, 118, 120, 128, 130, 139, 156, 160, 177, 192, 195, 208, 236, 240, 256, 260, 278, 295, 312, 320, 354, 384, 390, 416, 417, 472, 480, 520, 556, 590, 624, 640, 695, 708, 767, 768, 780, 832, 834, 885, 944, 960, 1040, 1112, 1180, 1248, 1280, 1390, 1416, 1534, 1560, 1664, 1668, 1770, 1807, 1888, 1920, 2080, 2085, 2224, 2301, 2360, 2496, 2780, 2832, 3068, 3120, 3328, 3336, 3540, 3614, 3776, 3835, 3840, 4160, 4170, 4448, 4602, 4720, 4992, 5421, 5560, 5664, 6136, 6240, 6672, 7080, 7228, 7552, 7670, 8201, 8320, 8340, 8896, 9035, 9204, 9440, 9984, 10842, 11120, 11328, 11505, 12272, 12480, 13344, 14160, 14456, 15104, 15340, 16402, 16640, 16680, 17792, 18070, 18408, 18880, 21684, 22240, 22656, 23010, 24544, 24603, 24960, 26688, 27105, 28320, 28912, 30680, 32804, 33360, 35584, 36140, 36816, 37760, 41005, 43368, 44480, 45312, 46020, 49088, 49206, 49920, 53376, 54210, 56640, 57824, 61360, 65608, 66720, 72280, 73632, 75520, 82010, 86736, 88960, 92040, 98176, 98412, 106613, 106752, 108420, 113280, 115648, 122720, 123015, 131216, 133440, 144560, 147264, 164020, 173472, 177920, 184080, 196352, 196824, 213226, 216840, 226560, 231296, 245440, 246030, 262432, 266880, 289120, 294528, 319839, 328040, 346944, 368160, 393648, 426452, 433680, 462592, 490880, 492060, 524864, 533065, 533760, 578240, 589056, 639678, 656080, 693888, 736320, 787296, 852904, 867360, 981760, 984120, 1049728, 1066130, 1156480, 1279356, 1312160, 1387776, 1472640, 1574592, 1599195, 1705808, 1734720, 1968240, 2099456, 2132260, 2312960, 2558712, 2624320, 2945280, 3149184, 3198390, 3411616, 3469440, 3936480, 4264520, 5117424, 5248640, 6298368, 6396780, 6823232, 6938880, 7872960, 8529040, 10234848, 10497280, 12793560, 13646464, 15745920, 17058080, 20469696, 25587120, 27292928, 31491840, 34116160, 40939392, 51174240, 68232320, 81878784, 102348480, 136464640, 204696960, 409393920]

約数ペア:

[(1, 409393920), (2, 204696960), (3, 136464640), (4, 102348480), (5, 81878784), (6, 68232320), (8, 51174240), (10, 40939392), (12, 34116160), (13, 31491840), (15, 27292928), (16, 25587120), (20, 20469696), (24, 17058080), (26, 15745920), (30, 13646464), (32, 12793560), (39, 10497280), (40, 10234848), (48, 8529040), (52, 7872960), (59, 6938880), (60, 6823232), (64, 6396780), (65, 6298368), (78, 5248640), (80, 5117424), (96, 4264520), (104, 3936480), (118, 3469440), (120, 3411616), (128, 3198390), (130, 3149184), (139, 2945280), (156, 2624320), (160, 2558712), (177, 2312960), (192, 2132260), (195, 2099456), (208, 1968240), (236, 1734720), (240, 1705808), (256, 1599195), (260, 1574592), (278, 1472640), (295, 1387776), (312, 1312160), (320, 1279356), (354, 1156480), (384, 1066130), (390, 1049728), (416, 984120), (417, 981760), (472, 867360), (480, 852904), (520, 787296), (556, 736320), (590, 693888), (624, 656080), (640, 639678), (695, 589056), (708, 578240), (767, 533760), (768, 533065), (780, 524864), (832, 492060), (834, 490880), (885, 462592), (944, 433680), (960, 426452), (1040, 393648), (1112, 368160), (1180, 346944), (1248, 328040), (1280, 319839), (1390, 294528), (1416, 289120), (1534, 266880), (1560, 262432), (1664, 246030), (1668, 245440), (1770, 231296), (1807, 226560), (1888, 216840), (1920, 213226), (2080, 196824), (2085, 196352), (2224, 184080), (2301, 177920), (2360, 173472), (2496, 164020), (2780, 147264), (2832, 144560), (3068, 133440), (3120, 131216), (3328, 123015), (3336, 122720), (3540, 115648), (3614, 113280), (3776, 108420), (3835, 106752), (3840, 106613), (4160, 98412), (4170, 98176), (4448, 92040), (4602, 88960), (4720, 86736), (4992, 82010), (5421, 75520), (5560, 73632), (5664, 72280), (6136, 66720), (6240, 65608), (6672, 61360), (7080, 57824), (7228, 56640), (7552, 54210), (7670, 53376), (8201, 49920), (8320, 49206), (8340, 49088), (8896, 46020), (9035, 45312), (9204, 44480), (9440, 43368), (9984, 41005), (10842, 37760), (11120, 36816), (11328, 36140), (11505, 35584), (12272, 33360), (12480, 32804), (13344, 30680), (14160, 28912), (14456, 28320), (15104, 27105), (15340, 26688), (16402, 24960), (16640, 24603), (16680, 24544), (17792, 23010), (18070, 22656), (18408, 22240), (18880, 21684)]