71917320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 228925440

約数和(自身を除く): 157008120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 92, 115, 120, 138, 142, 184, 213, 230, 276, 284, 345, 355, 367, 426, 460, 552, 568, 690, 710, 734, 852, 920, 1065, 1101, 1380, 1420, 1468, 1633, 1704, 1835, 2130, 2202, 2760, 2840, 2936, 3266, 3670, 4260, 4404, 4899, 5505, 6532, 7340, 8165, 8441, 8520, 8808, 9798, 11010, 13064, 14680, 16330, 16882, 19596, 22020, 24495, 25323, 26057, 32660, 33764, 39192, 42205, 44040, 48990, 50646, 52114, 65320, 67528, 78171, 84410, 97980, 101292, 104228, 126615, 130285, 156342, 168820, 195960, 202584, 208456, 253230, 260570, 312684, 337640, 390855, 506460, 521140, 599311, 625368, 781710, 1012920, 1042280, 1198622, 1563420, 1797933, 2397244, 2996555, 3126840, 3595866, 4794488, 5993110, 7191732, 8989665, 11986220, 14383464, 17979330, 23972440, 35958660, 71917320]

約数ペア:

[(1, 71917320), (2, 35958660), (3, 23972440), (4, 17979330), (5, 14383464), (6, 11986220), (8, 8989665), (10, 7191732), (12, 5993110), (15, 4794488), (20, 3595866), (23, 3126840), (24, 2996555), (30, 2397244), (40, 1797933), (46, 1563420), (60, 1198622), (69, 1042280), (71, 1012920), (92, 781710), (115, 625368), (120, 599311), (138, 521140), (142, 506460), (184, 390855), (213, 337640), (230, 312684), (276, 260570), (284, 253230), (345, 208456), (355, 202584), (367, 195960), (426, 168820), (460, 156342), (552, 130285), (568, 126615), (690, 104228), (710, 101292), (734, 97980), (852, 84410), (920, 78171), (1065, 67528), (1101, 65320), (1380, 52114), (1420, 50646), (1468, 48990), (1633, 44040), (1704, 42205), (1835, 39192), (2130, 33764), (2202, 32660), (2760, 26057), (2840, 25323), (2936, 24495), (3266, 22020), (3670, 19596), (4260, 16882), (4404, 16330), (4899, 14680), (5505, 13064), (6532, 11010), (7340, 9798), (8165, 8808), (8441, 8520)]