401470720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 216

約数和(自身を含む): 1155526344

約数和(自身を除く): 754055624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 140, 148, 160, 173, 185, 196, 224, 245, 256, 259, 280, 296, 320, 346, 370, 392, 448, 490, 518, 560, 592, 640, 692, 740, 784, 865, 896, 980, 1036, 1120, 1184, 1211, 1280, 1295, 1384, 1480, 1568, 1730, 1792, 1813, 1960, 2072, 2240, 2368, 2422, 2590, 2768, 2960, 3136, 3460, 3626, 3920, 4144, 4480, 4736, 4844, 5180, 5536, 5920, 6055, 6272, 6401, 6920, 7252, 7840, 8288, 8477, 8960, 9065, 9472, 9688, 10360, 11072, 11840, 12110, 12544, 12802, 13840, 14504, 15680, 16576, 16954, 18130, 19376, 20720, 22144, 23680, 24220, 25604, 27680, 29008, 31360, 32005, 33152, 33908, 36260, 38752, 41440, 42385, 44288, 44807, 47360, 48440, 51208, 55360, 58016, 62720, 64010, 66304, 67816, 72520, 77504, 82880, 84770, 89614, 96880, 102416, 110720, 116032, 128020, 135632, 145040, 155008, 165760, 169540, 179228, 193760, 204832, 221440, 224035, 232064, 256040, 271264, 290080, 310016, 313649, 331520, 339080, 358456, 387520, 409664, 448070, 464128, 512080, 542528, 580160, 627298, 678160, 716912, 775040, 819328, 896140, 1024160, 1085056, 1160320, 1254596, 1356320, 1433824, 1550080, 1568245, 1638656, 1792280, 2048320, 2170112, 2320640, 2509192, 2712640, 2867648, 3136490, 3584560, 4096640, 5018384, 5425280, 5735296, 6272980, 7169120, 8193280, 10036768, 10850560, 11470592, 12545960, 14338240, 20073536, 25091920, 28676480, 40147072, 50183840, 57352960, 80294144, 100367680, 200735360, 401470720]

約数ペア:

[(1, 401470720), (2, 200735360), (4, 100367680), (5, 80294144), (7, 57352960), (8, 50183840), (10, 40147072), (14, 28676480), (16, 25091920), (20, 20073536), (28, 14338240), (32, 12545960), (35, 11470592), (37, 10850560), (40, 10036768), (49, 8193280), (56, 7169120), (64, 6272980), (70, 5735296), (74, 5425280), (80, 5018384), (98, 4096640), (112, 3584560), (128, 3136490), (140, 2867648), (148, 2712640), (160, 2509192), (173, 2320640), (185, 2170112), (196, 2048320), (224, 1792280), (245, 1638656), (256, 1568245), (259, 1550080), (280, 1433824), (296, 1356320), (320, 1254596), (346, 1160320), (370, 1085056), (392, 1024160), (448, 896140), (490, 819328), (518, 775040), (560, 716912), (592, 678160), (640, 627298), (692, 580160), (740, 542528), (784, 512080), (865, 464128), (896, 448070), (980, 409664), (1036, 387520), (1120, 358456), (1184, 339080), (1211, 331520), (1280, 313649), (1295, 310016), (1384, 290080), (1480, 271264), (1568, 256040), (1730, 232064), (1792, 224035), (1813, 221440), (1960, 204832), (2072, 193760), (2240, 179228), (2368, 169540), (2422, 165760), (2590, 155008), (2768, 145040), (2960, 135632), (3136, 128020), (3460, 116032), (3626, 110720), (3920, 102416), (4144, 96880), (4480, 89614), (4736, 84770), (4844, 82880), (5180, 77504), (5536, 72520), (5920, 67816), (6055, 66304), (6272, 64010), (6401, 62720), (6920, 58016), (7252, 55360), (7840, 51208), (8288, 48440), (8477, 47360), (8960, 44807), (9065, 44288), (9472, 42385), (9688, 41440), (10360, 38752), (11072, 36260), (11840, 33908), (12110, 33152), (12544, 32005), (12802, 31360), (13840, 29008), (14504, 27680), (15680, 25604), (16576, 24220), (16954, 23680), (18130, 22144), (19376, 20720)]