280017920

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:646

約数の個数: 176

約数和(自身を含む): 828101568

約数和(自身を除く): 548083648

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 512, 520, 560, 601, 640, 728, 832, 896, 910, 1024, 1040, 1120, 1202, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2404, 2560, 2912, 3005, 3328, 3584, 3640, 4160, 4207, 4480, 4808, 5120, 5824, 6010, 6656, 7168, 7280, 7813, 8320, 8414, 8960, 9616, 11648, 12020, 13312, 14560, 15626, 16640, 16828, 17920, 19232, 21035, 23296, 24040, 29120, 31252, 33280, 33656, 35840, 38464, 39065, 42070, 46592, 48080, 54691, 58240, 62504, 66560, 67312, 76928, 78130, 84140, 93184, 96160, 109382, 116480, 125008, 134624, 153856, 156260, 168280, 192320, 218764, 232960, 250016, 269248, 273455, 307712, 312520, 336560, 384640, 437528, 465920, 500032, 538496, 546910, 615424, 625040, 673120, 769280, 875056, 1000064, 1076992, 1093820, 1250080, 1346240, 1538560, 1750112, 2000128, 2153984, 2187640, 2500160, 2692480, 3077120, 3500224, 4000256, 4307968, 4375280, 5000320, 5384960, 7000448, 8000512, 8750560, 10000640, 10769920, 14000896, 17501120, 20001280, 21539840, 28001792, 35002240, 40002560, 56003584, 70004480, 140008960, 280017920]

約数ペア:

[(1, 280017920), (2, 140008960), (4, 70004480), (5, 56003584), (7, 40002560), (8, 35002240), (10, 28001792), (13, 21539840), (14, 20001280), (16, 17501120), (20, 14000896), (26, 10769920), (28, 10000640), (32, 8750560), (35, 8000512), (40, 7000448), (52, 5384960), (56, 5000320), (64, 4375280), (65, 4307968), (70, 4000256), (80, 3500224), (91, 3077120), (104, 2692480), (112, 2500160), (128, 2187640), (130, 2153984), (140, 2000128), (160, 1750112), (182, 1538560), (208, 1346240), (224, 1250080), (256, 1093820), (260, 1076992), (280, 1000064), (320, 875056), (364, 769280), (416, 673120), (448, 625040), (455, 615424), (512, 546910), (520, 538496), (560, 500032), (601, 465920), (640, 437528), (728, 384640), (832, 336560), (896, 312520), (910, 307712), (1024, 273455), (1040, 269248), (1120, 250016), (1202, 232960), (1280, 218764), (1456, 192320), (1664, 168280), (1792, 156260), (1820, 153856), (2080, 134624), (2240, 125008), (2404, 116480), (2560, 109382), (2912, 96160), (3005, 93184), (3328, 84140), (3584, 78130), (3640, 76928), (4160, 67312), (4207, 66560), (4480, 62504), (4808, 58240), (5120, 54691), (5824, 48080), (6010, 46592), (6656, 42070), (7168, 39065), (7280, 38464), (7813, 35840), (8320, 33656), (8414, 33280), (8960, 31252), (9616, 29120), (11648, 24040), (12020, 23296), (13312, 21035), (14560, 19232), (15626, 17920), (16640, 16828)]