990080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 128

約数和(自身を含む): 3084480

約数和(自身を除く): 2094400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 64, 65, 68, 70, 80, 85, 91, 104, 112, 119, 128, 130, 136, 140, 160, 170, 182, 208, 221, 224, 238, 260, 272, 280, 320, 340, 364, 416, 442, 448, 455, 476, 520, 544, 560, 595, 640, 680, 728, 832, 884, 896, 910, 952, 1040, 1088, 1105, 1120, 1190, 1360, 1456, 1547, 1664, 1768, 1820, 1904, 2080, 2176, 2210, 2240, 2380, 2720, 2912, 3094, 3536, 3640, 3808, 4160, 4420, 4480, 4760, 5440, 5824, 6188, 7072, 7280, 7616, 7735, 8320, 8840, 9520, 10880, 11648, 12376, 14144, 14560, 15232, 15470, 17680, 19040, 24752, 28288, 29120, 30940, 35360, 38080, 49504, 58240, 61880, 70720, 76160, 99008, 123760, 141440, 198016, 247520, 495040, 990080]

約数ペア:

[(1, 990080), (2, 495040), (4, 247520), (5, 198016), (7, 141440), (8, 123760), (10, 99008), (13, 76160), (14, 70720), (16, 61880), (17, 58240), (20, 49504), (26, 38080), (28, 35360), (32, 30940), (34, 29120), (35, 28288), (40, 24752), (52, 19040), (56, 17680), (64, 15470), (65, 15232), (68, 14560), (70, 14144), (80, 12376), (85, 11648), (91, 10880), (104, 9520), (112, 8840), (119, 8320), (128, 7735), (130, 7616), (136, 7280), (140, 7072), (160, 6188), (170, 5824), (182, 5440), (208, 4760), (221, 4480), (224, 4420), (238, 4160), (260, 3808), (272, 3640), (280, 3536), (320, 3094), (340, 2912), (364, 2720), (416, 2380), (442, 2240), (448, 2210), (455, 2176), (476, 2080), (520, 1904), (544, 1820), (560, 1768), (595, 1664), (640, 1547), (680, 1456), (728, 1360), (832, 1190), (884, 1120), (896, 1105), (910, 1088), (952, 1040)]