45310720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 133922880

約数和(自身を除く): 88612160

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, 389, 416, 448, 455, 520, 560, 640, 728, 778, 832, 896, 910, 1040, 1120, 1280, 1456, 1556, 1664, 1792, 1820, 1945, 2080, 2240, 2723, 2912, 3112, 3328, 3640, 3890, 4160, 4480, 5057, 5446, 5824, 6224, 7280, 7780, 8320, 8960, 10114, 10892, 11648, 12448, 13615, 14560, 15560, 16640, 20228, 21784, 23296, 24896, 25285, 27230, 29120, 31120, 35399, 40456, 43568, 49792, 50570, 54460, 58240, 62240, 70798, 80912, 87136, 99584, 101140, 108920, 116480, 124480, 141596, 161824, 174272, 176995, 202280, 217840, 248960, 283192, 323648, 348544, 353990, 404560, 435680, 497920, 566384, 647296, 697088, 707980, 809120, 871360, 1132768, 1294592, 1415960, 1618240, 1742720, 2265536, 2831920, 3236480, 3485440, 4531072, 5663840, 6472960, 9062144, 11327680, 22655360, 45310720]

約数ペア:

[(1, 45310720), (2, 22655360), (4, 11327680), (5, 9062144), (7, 6472960), (8, 5663840), (10, 4531072), (13, 3485440), (14, 3236480), (16, 2831920), (20, 2265536), (26, 1742720), (28, 1618240), (32, 1415960), (35, 1294592), (40, 1132768), (52, 871360), (56, 809120), (64, 707980), (65, 697088), (70, 647296), (80, 566384), (91, 497920), (104, 435680), (112, 404560), (128, 353990), (130, 348544), (140, 323648), (160, 283192), (182, 248960), (208, 217840), (224, 202280), (256, 176995), (260, 174272), (280, 161824), (320, 141596), (364, 124480), (389, 116480), (416, 108920), (448, 101140), (455, 99584), (520, 87136), (560, 80912), (640, 70798), (728, 62240), (778, 58240), (832, 54460), (896, 50570), (910, 49792), (1040, 43568), (1120, 40456), (1280, 35399), (1456, 31120), (1556, 29120), (1664, 27230), (1792, 25285), (1820, 24896), (1945, 23296), (2080, 21784), (2240, 20228), (2723, 16640), (2912, 15560), (3112, 14560), (3328, 13615), (3640, 12448), (3890, 11648), (4160, 10892), (4480, 10114), (5057, 8960), (5446, 8320), (5824, 7780), (6224, 7280)]