31857280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:586

約数の個数: 128

約数和(自身を含む): 93905280

約数和(自身を除く): 62048000

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, 547, 560, 640, 728, 832, 896, 910, 1040, 1094, 1120, 1456, 1664, 1820, 2080, 2188, 2240, 2735, 2912, 3640, 3829, 4160, 4376, 4480, 5470, 5824, 7111, 7280, 7658, 8320, 8752, 10940, 11648, 14222, 14560, 15316, 17504, 19145, 21880, 28444, 29120, 30632, 35008, 35555, 38290, 43760, 49777, 56888, 58240, 61264, 70016, 71110, 76580, 87520, 99554, 113776, 122528, 142220, 153160, 175040, 199108, 227552, 245056, 248885, 284440, 306320, 350080, 398216, 455104, 490112, 497770, 568880, 612640, 796432, 910208, 995540, 1137760, 1225280, 1592864, 1991080, 2275520, 2450560, 3185728, 3982160, 4551040, 6371456, 7964320, 15928640, 31857280]

約数ペア:

[(1, 31857280), (2, 15928640), (4, 7964320), (5, 6371456), (7, 4551040), (8, 3982160), (10, 3185728), (13, 2450560), (14, 2275520), (16, 1991080), (20, 1592864), (26, 1225280), (28, 1137760), (32, 995540), (35, 910208), (40, 796432), (52, 612640), (56, 568880), (64, 497770), (65, 490112), (70, 455104), (80, 398216), (91, 350080), (104, 306320), (112, 284440), (128, 248885), (130, 245056), (140, 227552), (160, 199108), (182, 175040), (208, 153160), (224, 142220), (260, 122528), (280, 113776), (320, 99554), (364, 87520), (416, 76580), (448, 71110), (455, 70016), (520, 61264), (547, 58240), (560, 56888), (640, 49777), (728, 43760), (832, 38290), (896, 35555), (910, 35008), (1040, 30632), (1094, 29120), (1120, 28444), (1456, 21880), (1664, 19145), (1820, 17504), (2080, 15316), (2188, 14560), (2240, 14222), (2735, 11648), (2912, 10940), (3640, 8752), (3829, 8320), (4160, 7658), (4376, 7280), (4480, 7111), (5470, 5824)]