81423900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:645

約数の個数: 144

約数和(自身を含む): 267170400

約数和(自身を除く): 185746500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 53, 54, 60, 75, 90, 100, 106, 108, 135, 150, 159, 180, 212, 225, 265, 270, 300, 318, 450, 477, 530, 540, 569, 636, 675, 795, 900, 954, 1060, 1138, 1325, 1350, 1431, 1590, 1707, 1908, 2276, 2385, 2650, 2700, 2845, 2862, 3180, 3414, 3975, 4770, 5121, 5300, 5690, 5724, 6828, 7155, 7950, 8535, 9540, 10242, 11380, 11925, 14225, 14310, 15363, 15900, 17070, 20484, 23850, 25605, 28450, 28620, 30157, 30726, 34140, 35775, 42675, 47700, 51210, 56900, 60314, 61452, 71550, 76815, 85350, 90471, 102420, 120628, 128025, 143100, 150785, 153630, 170700, 180942, 256050, 271413, 301570, 307260, 361884, 384075, 452355, 512100, 542826, 603140, 753925, 768150, 814239, 904710, 1085652, 1357065, 1507850, 1536300, 1628478, 1809420, 2261775, 2714130, 3015700, 3256956, 4071195, 4523550, 5428260, 6785325, 8142390, 9047100, 13570650, 16284780, 20355975, 27141300, 40711950, 81423900]

約数ペア:

[(1, 81423900), (2, 40711950), (3, 27141300), (4, 20355975), (5, 16284780), (6, 13570650), (9, 9047100), (10, 8142390), (12, 6785325), (15, 5428260), (18, 4523550), (20, 4071195), (25, 3256956), (27, 3015700), (30, 2714130), (36, 2261775), (45, 1809420), (50, 1628478), (53, 1536300), (54, 1507850), (60, 1357065), (75, 1085652), (90, 904710), (100, 814239), (106, 768150), (108, 753925), (135, 603140), (150, 542826), (159, 512100), (180, 452355), (212, 384075), (225, 361884), (265, 307260), (270, 301570), (300, 271413), (318, 256050), (450, 180942), (477, 170700), (530, 153630), (540, 150785), (569, 143100), (636, 128025), (675, 120628), (795, 102420), (900, 90471), (954, 85350), (1060, 76815), (1138, 71550), (1325, 61452), (1350, 60314), (1431, 56900), (1590, 51210), (1707, 47700), (1908, 42675), (2276, 35775), (2385, 34140), (2650, 30726), (2700, 30157), (2845, 28620), (2862, 28450), (3180, 25605), (3414, 23850), (3975, 20484), (4770, 17070), (5121, 15900), (5300, 15363), (5690, 14310), (5724, 14225), (6828, 11925), (7155, 11380), (7950, 10242), (8535, 9540)]