1827830680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:965

約数の個数: 128

約数和(自身を含む): 4608576000

約数和(自身を除く): 2780745320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 149, 155, 248, 260, 298, 310, 403, 520, 596, 620, 745, 761, 806, 1192, 1240, 1490, 1522, 1612, 1937, 2015, 2980, 3044, 3224, 3805, 3874, 4030, 4619, 5960, 6088, 7610, 7748, 8060, 9238, 9685, 9893, 15220, 15496, 16120, 18476, 19370, 19786, 23095, 23591, 30440, 36952, 38740, 39572, 46190, 47182, 49465, 60047, 77480, 79144, 92380, 94364, 98930, 113389, 117955, 120094, 184760, 188728, 197860, 226778, 235910, 240188, 300235, 306683, 395720, 453556, 471820, 480376, 566945, 600470, 613366, 907112, 943640, 1133890, 1200940, 1226732, 1474057, 1533415, 2267780, 2401880, 2453464, 2948114, 3066830, 3515059, 4535560, 5896228, 6133660, 7030118, 7370285, 11792456, 12267320, 14060236, 14740570, 17575295, 28120472, 29481140, 35150590, 45695767, 58962280, 70301180, 91391534, 140602360, 182783068, 228478835, 365566136, 456957670, 913915340, 1827830680]

約数ペア:

[(1, 1827830680), (2, 913915340), (4, 456957670), (5, 365566136), (8, 228478835), (10, 182783068), (13, 140602360), (20, 91391534), (26, 70301180), (31, 58962280), (40, 45695767), (52, 35150590), (62, 29481140), (65, 28120472), (104, 17575295), (124, 14740570), (130, 14060236), (149, 12267320), (155, 11792456), (248, 7370285), (260, 7030118), (298, 6133660), (310, 5896228), (403, 4535560), (520, 3515059), (596, 3066830), (620, 2948114), (745, 2453464), (761, 2401880), (806, 2267780), (1192, 1533415), (1240, 1474057), (1490, 1226732), (1522, 1200940), (1612, 1133890), (1937, 943640), (2015, 907112), (2980, 613366), (3044, 600470), (3224, 566945), (3805, 480376), (3874, 471820), (4030, 453556), (4619, 395720), (5960, 306683), (6088, 300235), (7610, 240188), (7748, 235910), (8060, 226778), (9238, 197860), (9685, 188728), (9893, 184760), (15220, 120094), (15496, 117955), (16120, 113389), (18476, 98930), (19370, 94364), (19786, 92380), (23095, 79144), (23591, 77480), (30440, 60047), (36952, 49465), (38740, 47182), (39572, 46190)]