2813880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 8553600

約数和(自身を除く): 5739720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 179, 262, 358, 393, 524, 537, 655, 716, 786, 895, 1048, 1074, 1310, 1432, 1572, 1790, 1965, 2148, 2620, 2685, 3144, 3580, 3930, 4296, 5240, 5370, 7160, 7860, 10740, 15720, 21480, 23449, 46898, 70347, 93796, 117245, 140694, 187592, 234490, 281388, 351735, 468980, 562776, 703470, 937960, 1406940, 2813880]

約数ペア:

[(1, 2813880), (2, 1406940), (3, 937960), (4, 703470), (5, 562776), (6, 468980), (8, 351735), (10, 281388), (12, 234490), (15, 187592), (20, 140694), (24, 117245), (30, 93796), (40, 70347), (60, 46898), (120, 23449), (131, 21480), (179, 15720), (262, 10740), (358, 7860), (393, 7160), (524, 5370), (537, 5240), (655, 4296), (716, 3930), (786, 3580), (895, 3144), (1048, 2685), (1074, 2620), (1310, 2148), (1432, 1965), (1572, 1790)]