2628800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 84

約数和(自身を含む): 6803136

約数和(自身を除く): 4174336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 53, 62, 64, 80, 100, 106, 124, 155, 160, 200, 212, 248, 265, 310, 320, 400, 424, 496, 530, 620, 775, 800, 848, 992, 1060, 1240, 1325, 1550, 1600, 1643, 1696, 1984, 2120, 2480, 2650, 3100, 3286, 3392, 4240, 4960, 5300, 6200, 6572, 8215, 8480, 9920, 10600, 12400, 13144, 16430, 16960, 21200, 24800, 26288, 32860, 41075, 42400, 49600, 52576, 65720, 82150, 84800, 105152, 131440, 164300, 262880, 328600, 525760, 657200, 1314400, 2628800]

約数ペア:

[(1, 2628800), (2, 1314400), (4, 657200), (5, 525760), (8, 328600), (10, 262880), (16, 164300), (20, 131440), (25, 105152), (31, 84800), (32, 82150), (40, 65720), (50, 52576), (53, 49600), (62, 42400), (64, 41075), (80, 32860), (100, 26288), (106, 24800), (124, 21200), (155, 16960), (160, 16430), (200, 13144), (212, 12400), (248, 10600), (265, 9920), (310, 8480), (320, 8215), (400, 6572), (424, 6200), (496, 5300), (530, 4960), (620, 4240), (775, 3392), (800, 3286), (848, 3100), (992, 2650), (1060, 2480), (1240, 2120), (1325, 1984), (1550, 1696), (1600, 1643)]