72084880

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 160

約数和(自身を含む): 203558400

約数和(自身を除く): 131473520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 71, 74, 80, 98, 112, 140, 142, 148, 185, 196, 245, 259, 280, 284, 296, 343, 355, 370, 392, 490, 497, 518, 560, 568, 592, 686, 710, 740, 784, 980, 994, 1036, 1136, 1295, 1372, 1420, 1480, 1715, 1813, 1960, 1988, 2072, 2485, 2590, 2627, 2744, 2840, 2960, 3430, 3479, 3626, 3920, 3976, 4144, 4970, 5180, 5254, 5488, 5680, 6860, 6958, 7252, 7952, 9065, 9940, 10360, 10508, 12691, 13135, 13720, 13916, 14504, 17395, 18130, 18389, 19880, 20720, 21016, 24353, 25382, 26270, 27440, 27832, 29008, 34790, 36260, 36778, 39760, 42032, 48706, 50764, 52540, 55664, 63455, 69580, 72520, 73556, 91945, 97412, 101528, 105080, 121765, 126910, 128723, 139160, 145040, 147112, 183890, 194824, 203056, 210160, 243530, 253820, 257446, 278320, 294224, 367780, 389648, 487060, 507640, 514892, 643615, 735560, 901061, 974120, 1015280, 1029784, 1287230, 1471120, 1802122, 1948240, 2059568, 2574460, 3604244, 4505305, 5148920, 7208488, 9010610, 10297840, 14416976, 18021220, 36042440, 72084880]

約数ペア:

[(1, 72084880), (2, 36042440), (4, 18021220), (5, 14416976), (7, 10297840), (8, 9010610), (10, 7208488), (14, 5148920), (16, 4505305), (20, 3604244), (28, 2574460), (35, 2059568), (37, 1948240), (40, 1802122), (49, 1471120), (56, 1287230), (70, 1029784), (71, 1015280), (74, 974120), (80, 901061), (98, 735560), (112, 643615), (140, 514892), (142, 507640), (148, 487060), (185, 389648), (196, 367780), (245, 294224), (259, 278320), (280, 257446), (284, 253820), (296, 243530), (343, 210160), (355, 203056), (370, 194824), (392, 183890), (490, 147112), (497, 145040), (518, 139160), (560, 128723), (568, 126910), (592, 121765), (686, 105080), (710, 101528), (740, 97412), (784, 91945), (980, 73556), (994, 72520), (1036, 69580), (1136, 63455), (1295, 55664), (1372, 52540), (1420, 50764), (1480, 48706), (1715, 42032), (1813, 39760), (1960, 36778), (1988, 36260), (2072, 34790), (2485, 29008), (2590, 27832), (2627, 27440), (2744, 26270), (2840, 25382), (2960, 24353), (3430, 21016), (3479, 20720), (3626, 19880), (3920, 18389), (3976, 18130), (4144, 17395), (4970, 14504), (5180, 13916), (5254, 13720), (5488, 13135), (5680, 12691), (6860, 10508), (6958, 10360), (7252, 9940), (7952, 9065)]