28271700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:343

約数の個数: 144

約数和(自身を含む): 93674560

約数和(自身を除く): 65402860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 45, 50, 54, 60, 74, 75, 90, 100, 108, 111, 135, 148, 150, 180, 185, 222, 225, 270, 283, 300, 333, 370, 444, 450, 540, 555, 566, 666, 675, 740, 849, 900, 925, 999, 1110, 1132, 1332, 1350, 1415, 1665, 1698, 1850, 1998, 2220, 2547, 2700, 2775, 2830, 3330, 3396, 3700, 3996, 4245, 4995, 5094, 5550, 5660, 6660, 7075, 7641, 8325, 8490, 9990, 10188, 10471, 11100, 12735, 14150, 15282, 16650, 16980, 19980, 20942, 21225, 24975, 25470, 28300, 30564, 31413, 33300, 38205, 41884, 42450, 49950, 50940, 52355, 62826, 63675, 76410, 84900, 94239, 99900, 104710, 125652, 127350, 152820, 157065, 188478, 191025, 209420, 254700, 261775, 282717, 314130, 376956, 382050, 471195, 523550, 565434, 628260, 764100, 785325, 942390, 1047100, 1130868, 1413585, 1570650, 1884780, 2355975, 2827170, 3141300, 4711950, 5654340, 7067925, 9423900, 14135850, 28271700]

約数ペア:

[(1, 28271700), (2, 14135850), (3, 9423900), (4, 7067925), (5, 5654340), (6, 4711950), (9, 3141300), (10, 2827170), (12, 2355975), (15, 1884780), (18, 1570650), (20, 1413585), (25, 1130868), (27, 1047100), (30, 942390), (36, 785325), (37, 764100), (45, 628260), (50, 565434), (54, 523550), (60, 471195), (74, 382050), (75, 376956), (90, 314130), (100, 282717), (108, 261775), (111, 254700), (135, 209420), (148, 191025), (150, 188478), (180, 157065), (185, 152820), (222, 127350), (225, 125652), (270, 104710), (283, 99900), (300, 94239), (333, 84900), (370, 76410), (444, 63675), (450, 62826), (540, 52355), (555, 50940), (566, 49950), (666, 42450), (675, 41884), (740, 38205), (849, 33300), (900, 31413), (925, 30564), (999, 28300), (1110, 25470), (1132, 24975), (1332, 21225), (1350, 20942), (1415, 19980), (1665, 16980), (1698, 16650), (1850, 15282), (1998, 14150), (2220, 12735), (2547, 11100), (2700, 10471), (2775, 10188), (2830, 9990), (3330, 8490), (3396, 8325), (3700, 7641), (3996, 7075), (4245, 6660), (4995, 5660), (5094, 5550)]