128302720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2203}}^1$

素因数の和:2242

約数の個数: 128

約数和(自身を含む): 377677440

約数和(自身を除く): 249374720

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, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2203, 2240, 2912, 3640, 4160, 4406, 4480, 5824, 7280, 8320, 8812, 11015, 11648, 14560, 15421, 17624, 22030, 28639, 29120, 30842, 35248, 44060, 57278, 58240, 61684, 70496, 77105, 88120, 114556, 123368, 140992, 143195, 154210, 176240, 200473, 229112, 246736, 281984, 286390, 308420, 352480, 400946, 458224, 493472, 572780, 616840, 704960, 801892, 916448, 986944, 1002365, 1145560, 1233680, 1409920, 1603784, 1832896, 1973888, 2004730, 2291120, 2467360, 3207568, 3665792, 4009460, 4582240, 4934720, 6415136, 8018920, 9164480, 9869440, 12830272, 16037840, 18328960, 25660544, 32075680, 64151360, 128302720]

約数ペア:

[(1, 128302720), (2, 64151360), (4, 32075680), (5, 25660544), (7, 18328960), (8, 16037840), (10, 12830272), (13, 9869440), (14, 9164480), (16, 8018920), (20, 6415136), (26, 4934720), (28, 4582240), (32, 4009460), (35, 3665792), (40, 3207568), (52, 2467360), (56, 2291120), (64, 2004730), (65, 1973888), (70, 1832896), (80, 1603784), (91, 1409920), (104, 1233680), (112, 1145560), (128, 1002365), (130, 986944), (140, 916448), (160, 801892), (182, 704960), (208, 616840), (224, 572780), (260, 493472), (280, 458224), (320, 400946), (364, 352480), (416, 308420), (448, 286390), (455, 281984), (520, 246736), (560, 229112), (640, 200473), (728, 176240), (832, 154210), (896, 143195), (910, 140992), (1040, 123368), (1120, 114556), (1456, 88120), (1664, 77105), (1820, 70496), (2080, 61684), (2203, 58240), (2240, 57278), (2912, 44060), (3640, 35248), (4160, 30842), (4406, 29120), (4480, 28639), (5824, 22030), (7280, 17624), (8320, 15421), (8812, 14560), (11015, 11648)]