51378840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:554

約数の個数: 128

約数和(自身を含む): 173188800

約数和(自身を除く): 121809960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 113, 120, 135, 180, 216, 226, 270, 339, 360, 421, 452, 540, 565, 678, 842, 904, 1017, 1080, 1130, 1263, 1356, 1684, 1695, 2034, 2105, 2260, 2526, 2712, 3051, 3368, 3390, 3789, 4068, 4210, 4520, 5052, 5085, 6102, 6315, 6780, 7578, 8136, 8420, 10104, 10170, 11367, 12204, 12630, 13560, 15156, 15255, 16840, 18945, 20340, 22734, 24408, 25260, 30312, 30510, 37890, 40680, 45468, 47573, 50520, 56835, 61020, 75780, 90936, 95146, 113670, 122040, 142719, 151560, 190292, 227340, 237865, 285438, 380584, 428157, 454680, 475730, 570876, 713595, 856314, 951460, 1141752, 1284471, 1427190, 1712628, 1902920, 2140785, 2568942, 2854380, 3425256, 4281570, 5137884, 5708760, 6422355, 8563140, 10275768, 12844710, 17126280, 25689420, 51378840]

約数ペア:

[(1, 51378840), (2, 25689420), (3, 17126280), (4, 12844710), (5, 10275768), (6, 8563140), (8, 6422355), (9, 5708760), (10, 5137884), (12, 4281570), (15, 3425256), (18, 2854380), (20, 2568942), (24, 2140785), (27, 1902920), (30, 1712628), (36, 1427190), (40, 1284471), (45, 1141752), (54, 951460), (60, 856314), (72, 713595), (90, 570876), (108, 475730), (113, 454680), (120, 428157), (135, 380584), (180, 285438), (216, 237865), (226, 227340), (270, 190292), (339, 151560), (360, 142719), (421, 122040), (452, 113670), (540, 95146), (565, 90936), (678, 75780), (842, 61020), (904, 56835), (1017, 50520), (1080, 47573), (1130, 45468), (1263, 40680), (1356, 37890), (1684, 30510), (1695, 30312), (2034, 25260), (2105, 24408), (2260, 22734), (2526, 20340), (2712, 18945), (3051, 16840), (3368, 15255), (3390, 15156), (3789, 13560), (4068, 12630), (4210, 12204), (4520, 11367), (5052, 10170), (5085, 10104), (6102, 8420), (6315, 8136), (6780, 7578)]