51247800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 174966480

約数和(自身を除く): 123718680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 71, 72, 75, 90, 100, 120, 142, 150, 180, 200, 213, 225, 284, 300, 355, 360, 401, 426, 450, 568, 600, 639, 710, 802, 852, 900, 1065, 1203, 1278, 1420, 1604, 1704, 1775, 1800, 2005, 2130, 2406, 2556, 2840, 3195, 3208, 3550, 3609, 4010, 4260, 4812, 5112, 5325, 6015, 6390, 7100, 7218, 8020, 8520, 9624, 10025, 10650, 12030, 12780, 14200, 14436, 15975, 16040, 18045, 20050, 21300, 24060, 25560, 28471, 28872, 30075, 31950, 36090, 40100, 42600, 48120, 56942, 60150, 63900, 72180, 80200, 85413, 90225, 113884, 120300, 127800, 142355, 144360, 170826, 180450, 227768, 240600, 256239, 284710, 341652, 360900, 427065, 512478, 569420, 683304, 711775, 721800, 854130, 1024956, 1138840, 1281195, 1423550, 1708260, 2049912, 2135325, 2562390, 2847100, 3416520, 4270650, 5124780, 5694200, 6405975, 8541300, 10249560, 12811950, 17082600, 25623900, 51247800]

約数ペア:

[(1, 51247800), (2, 25623900), (3, 17082600), (4, 12811950), (5, 10249560), (6, 8541300), (8, 6405975), (9, 5694200), (10, 5124780), (12, 4270650), (15, 3416520), (18, 2847100), (20, 2562390), (24, 2135325), (25, 2049912), (30, 1708260), (36, 1423550), (40, 1281195), (45, 1138840), (50, 1024956), (60, 854130), (71, 721800), (72, 711775), (75, 683304), (90, 569420), (100, 512478), (120, 427065), (142, 360900), (150, 341652), (180, 284710), (200, 256239), (213, 240600), (225, 227768), (284, 180450), (300, 170826), (355, 144360), (360, 142355), (401, 127800), (426, 120300), (450, 113884), (568, 90225), (600, 85413), (639, 80200), (710, 72180), (802, 63900), (852, 60150), (900, 56942), (1065, 48120), (1203, 42600), (1278, 40100), (1420, 36090), (1604, 31950), (1704, 30075), (1775, 28872), (1800, 28471), (2005, 25560), (2130, 24060), (2406, 21300), (2556, 20050), (2840, 18045), (3195, 16040), (3208, 15975), (3550, 14436), (3609, 14200), (4010, 12780), (4260, 12030), (4812, 10650), (5112, 10025), (5325, 9624), (6015, 8520), (6390, 8020), (7100, 7218)]