51134720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 151092480

約数和(自身を除く): 99957760

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, 439, 448, 455, 520, 560, 640, 728, 832, 878, 896, 910, 1040, 1120, 1280, 1456, 1664, 1756, 1792, 1820, 2080, 2195, 2240, 2912, 3073, 3328, 3512, 3640, 4160, 4390, 4480, 5707, 5824, 6146, 7024, 7280, 8320, 8780, 8960, 11414, 11648, 12292, 14048, 14560, 15365, 16640, 17560, 22828, 23296, 24584, 28096, 28535, 29120, 30730, 35120, 39949, 45656, 49168, 56192, 57070, 58240, 61460, 70240, 79898, 91312, 98336, 112384, 114140, 116480, 122920, 140480, 159796, 182624, 196672, 199745, 228280, 245840, 280960, 319592, 365248, 393344, 399490, 456560, 491680, 561920, 639184, 730496, 786688, 798980, 913120, 983360, 1278368, 1460992, 1597960, 1826240, 1966720, 2556736, 3195920, 3652480, 3933440, 5113472, 6391840, 7304960, 10226944, 12783680, 25567360, 51134720]

約数ペア:

[(1, 51134720), (2, 25567360), (4, 12783680), (5, 10226944), (7, 7304960), (8, 6391840), (10, 5113472), (13, 3933440), (14, 3652480), (16, 3195920), (20, 2556736), (26, 1966720), (28, 1826240), (32, 1597960), (35, 1460992), (40, 1278368), (52, 983360), (56, 913120), (64, 798980), (65, 786688), (70, 730496), (80, 639184), (91, 561920), (104, 491680), (112, 456560), (128, 399490), (130, 393344), (140, 365248), (160, 319592), (182, 280960), (208, 245840), (224, 228280), (256, 199745), (260, 196672), (280, 182624), (320, 159796), (364, 140480), (416, 122920), (439, 116480), (448, 114140), (455, 112384), (520, 98336), (560, 91312), (640, 79898), (728, 70240), (832, 61460), (878, 58240), (896, 57070), (910, 56192), (1040, 49168), (1120, 45656), (1280, 39949), (1456, 35120), (1664, 30730), (1756, 29120), (1792, 28535), (1820, 28096), (2080, 24584), (2195, 23296), (2240, 22828), (2912, 17560), (3073, 16640), (3328, 15365), (3512, 14560), (3640, 14048), (4160, 12292), (4390, 11648), (4480, 11414), (5707, 8960), (5824, 8780), (6146, 8320), (7024, 7280)]