1720390800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{751}}^1$

素因数の和:878

約数の個数: 240

約数和(自身を含む): 5827627008

約数和(自身を除く): 4107236208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 40, 46, 48, 50, 60, 69, 75, 80, 83, 92, 100, 115, 120, 138, 150, 166, 184, 200, 230, 240, 249, 276, 300, 332, 345, 368, 400, 415, 460, 498, 552, 575, 600, 664, 690, 751, 830, 920, 996, 1104, 1150, 1200, 1245, 1328, 1380, 1502, 1660, 1725, 1840, 1909, 1992, 2075, 2253, 2300, 2490, 2760, 3004, 3320, 3450, 3755, 3818, 3984, 4150, 4506, 4600, 4980, 5520, 5727, 6008, 6225, 6640, 6900, 7510, 7636, 8300, 9012, 9200, 9545, 9960, 11265, 11454, 12016, 12450, 13800, 15020, 15272, 16600, 17273, 18024, 18775, 19090, 19920, 22530, 22908, 24900, 27600, 28635, 30040, 30544, 33200, 34546, 36048, 37550, 38180, 45060, 45816, 47725, 49800, 51819, 56325, 57270, 60080, 62333, 69092, 75100, 76360, 86365, 90120, 91632, 95450, 99600, 103638, 112650, 114540, 124666, 138184, 143175, 150200, 152720, 172730, 180240, 186999, 190900, 207276, 225300, 229080, 249332, 259095, 276368, 286350, 300400, 311665, 345460, 373998, 381800, 414552, 431825, 450600, 458160, 498664, 518190, 572700, 623330, 690920, 747996, 763600, 829104, 863650, 901200, 934995, 997328, 1036380, 1145400, 1246660, 1295475, 1381840, 1433659, 1495992, 1558325, 1727300, 1869990, 2072760, 2290800, 2493320, 2590950, 2867318, 2991984, 3116650, 3454600, 3739980, 4145520, 4300977, 4674975, 4986640, 5181900, 5734636, 6233300, 6909200, 7168295, 7479960, 8601954, 9349950, 10363800, 11469272, 12466600, 14336590, 14959920, 17203908, 18699900, 20727600, 21504885, 22938544, 24933200, 28673180, 34407816, 35841475, 37399800, 43009770, 57346360, 68815632, 71682950, 74799600, 86019540, 107524425, 114692720, 143365900, 172039080, 215048850, 286731800, 344078160, 430097700, 573463600, 860195400, 1720390800]

約数ペア:

[(1, 1720390800), (2, 860195400), (3, 573463600), (4, 430097700), (5, 344078160), (6, 286731800), (8, 215048850), (10, 172039080), (12, 143365900), (15, 114692720), (16, 107524425), (20, 86019540), (23, 74799600), (24, 71682950), (25, 68815632), (30, 57346360), (40, 43009770), (46, 37399800), (48, 35841475), (50, 34407816), (60, 28673180), (69, 24933200), (75, 22938544), (80, 21504885), (83, 20727600), (92, 18699900), (100, 17203908), (115, 14959920), (120, 14336590), (138, 12466600), (150, 11469272), (166, 10363800), (184, 9349950), (200, 8601954), (230, 7479960), (240, 7168295), (249, 6909200), (276, 6233300), (300, 5734636), (332, 5181900), (345, 4986640), (368, 4674975), (400, 4300977), (415, 4145520), (460, 3739980), (498, 3454600), (552, 3116650), (575, 2991984), (600, 2867318), (664, 2590950), (690, 2493320), (751, 2290800), (830, 2072760), (920, 1869990), (996, 1727300), (1104, 1558325), (1150, 1495992), (1200, 1433659), (1245, 1381840), (1328, 1295475), (1380, 1246660), (1502, 1145400), (1660, 1036380), (1725, 997328), (1840, 934995), (1909, 901200), (1992, 863650), (2075, 829104), (2253, 763600), (2300, 747996), (2490, 690920), (2760, 623330), (3004, 572700), (3320, 518190), (3450, 498664), (3755, 458160), (3818, 450600), (3984, 431825), (4150, 414552), (4506, 381800), (4600, 373998), (4980, 345460), (5520, 311665), (5727, 300400), (6008, 286350), (6225, 276368), (6640, 259095), (6900, 249332), (7510, 229080), (7636, 225300), (8300, 207276), (9012, 190900), (9200, 186999), (9545, 180240), (9960, 172730), (11265, 152720), (11454, 150200), (12016, 143175), (12450, 138184), (13800, 124666), (15020, 114540), (15272, 112650), (16600, 103638), (17273, 99600), (18024, 95450), (18775, 91632), (19090, 90120), (19920, 86365), (22530, 76360), (22908, 75100), (24900, 69092), (27600, 62333), (28635, 60080), (30040, 57270), (30544, 56325), (33200, 51819), (34546, 49800), (36048, 47725), (37550, 45816), (38180, 45060)]