82128800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 221470200

約数和(自身を除く): 139341400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 53, 65, 80, 100, 104, 106, 130, 149, 160, 200, 208, 212, 260, 265, 298, 325, 400, 416, 424, 520, 530, 596, 650, 689, 745, 800, 848, 1040, 1060, 1192, 1300, 1325, 1378, 1490, 1696, 1937, 2080, 2120, 2384, 2600, 2650, 2756, 2980, 3445, 3725, 3874, 4240, 4768, 5200, 5300, 5512, 5960, 6890, 7450, 7748, 7897, 8480, 9685, 10400, 10600, 11024, 11920, 13780, 14900, 15496, 15794, 17225, 19370, 21200, 22048, 23840, 27560, 29800, 30992, 31588, 34450, 38740, 39485, 42400, 48425, 55120, 59600, 61984, 63176, 68900, 77480, 78970, 96850, 102661, 110240, 119200, 126352, 137800, 154960, 157940, 193700, 197425, 205322, 252704, 275600, 309920, 315880, 387400, 394850, 410644, 513305, 551200, 631760, 774800, 789700, 821288, 1026610, 1263520, 1549600, 1579400, 1642576, 2053220, 2566525, 3158800, 3285152, 4106440, 5133050, 6317600, 8212880, 10266100, 16425760, 20532200, 41064400, 82128800]

約数ペア:

[(1, 82128800), (2, 41064400), (4, 20532200), (5, 16425760), (8, 10266100), (10, 8212880), (13, 6317600), (16, 5133050), (20, 4106440), (25, 3285152), (26, 3158800), (32, 2566525), (40, 2053220), (50, 1642576), (52, 1579400), (53, 1549600), (65, 1263520), (80, 1026610), (100, 821288), (104, 789700), (106, 774800), (130, 631760), (149, 551200), (160, 513305), (200, 410644), (208, 394850), (212, 387400), (260, 315880), (265, 309920), (298, 275600), (325, 252704), (400, 205322), (416, 197425), (424, 193700), (520, 157940), (530, 154960), (596, 137800), (650, 126352), (689, 119200), (745, 110240), (800, 102661), (848, 96850), (1040, 78970), (1060, 77480), (1192, 68900), (1300, 63176), (1325, 61984), (1378, 59600), (1490, 55120), (1696, 48425), (1937, 42400), (2080, 39485), (2120, 38740), (2384, 34450), (2600, 31588), (2650, 30992), (2756, 29800), (2980, 27560), (3445, 23840), (3725, 22048), (3874, 21200), (4240, 19370), (4768, 17225), (5200, 15794), (5300, 15496), (5512, 14900), (5960, 13780), (6890, 11920), (7450, 11024), (7748, 10600), (7897, 10400), (8480, 9685)]