247520

素因数分解:

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

素因数の和:52

約数の個数: 96

約数和(自身を含む): 762048

約数和(自身を除く): 514528

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 160, 170, 182, 208, 221, 224, 238, 260, 272, 280, 340, 364, 416, 442, 455, 476, 520, 544, 560, 595, 680, 728, 884, 910, 952, 1040, 1105, 1120, 1190, 1360, 1456, 1547, 1768, 1820, 1904, 2080, 2210, 2380, 2720, 2912, 3094, 3536, 3640, 3808, 4420, 4760, 6188, 7072, 7280, 7735, 8840, 9520, 12376, 14560, 15470, 17680, 19040, 24752, 30940, 35360, 49504, 61880, 123760, 247520]

約数ペア:

[(1, 247520), (2, 123760), (4, 61880), (5, 49504), (7, 35360), (8, 30940), (10, 24752), (13, 19040), (14, 17680), (16, 15470), (17, 14560), (20, 12376), (26, 9520), (28, 8840), (32, 7735), (34, 7280), (35, 7072), (40, 6188), (52, 4760), (56, 4420), (65, 3808), (68, 3640), (70, 3536), (80, 3094), (85, 2912), (91, 2720), (104, 2380), (112, 2210), (119, 2080), (130, 1904), (136, 1820), (140, 1768), (160, 1547), (170, 1456), (182, 1360), (208, 1190), (221, 1120), (224, 1105), (238, 1040), (260, 952), (272, 910), (280, 884), (340, 728), (364, 680), (416, 595), (442, 560), (455, 544), (476, 520)]