2220750

素因数分解:

$2^1\times 3^3\times 5^3\times 7^1\times {\mathrm{47}}^1$

素因数の和:80

約数の個数: 128

約数和(自身を含む): 7188480

約数和(自身を除く): 4967730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 47, 50, 54, 63, 70, 75, 90, 94, 105, 125, 126, 135, 141, 150, 175, 189, 210, 225, 235, 250, 270, 282, 315, 329, 350, 375, 378, 423, 450, 470, 525, 630, 658, 675, 705, 750, 846, 875, 945, 987, 1050, 1125, 1175, 1269, 1350, 1410, 1575, 1645, 1750, 1890, 1974, 2115, 2250, 2350, 2538, 2625, 2961, 3150, 3290, 3375, 3525, 4230, 4725, 4935, 5250, 5875, 5922, 6345, 6750, 7050, 7875, 8225, 8883, 9450, 9870, 10575, 11750, 12690, 14805, 15750, 16450, 17625, 17766, 21150, 23625, 24675, 29610, 31725, 35250, 41125, 44415, 47250, 49350, 52875, 63450, 74025, 82250, 88830, 105750, 123375, 148050, 158625, 222075, 246750, 317250, 370125, 444150, 740250, 1110375, 2220750]

約数ペア:

[(1, 2220750), (2, 1110375), (3, 740250), (5, 444150), (6, 370125), (7, 317250), (9, 246750), (10, 222075), (14, 158625), (15, 148050), (18, 123375), (21, 105750), (25, 88830), (27, 82250), (30, 74025), (35, 63450), (42, 52875), (45, 49350), (47, 47250), (50, 44415), (54, 41125), (63, 35250), (70, 31725), (75, 29610), (90, 24675), (94, 23625), (105, 21150), (125, 17766), (126, 17625), (135, 16450), (141, 15750), (150, 14805), (175, 12690), (189, 11750), (210, 10575), (225, 9870), (235, 9450), (250, 8883), (270, 8225), (282, 7875), (315, 7050), (329, 6750), (350, 6345), (375, 5922), (378, 5875), (423, 5250), (450, 4935), (470, 4725), (525, 4230), (630, 3525), (658, 3375), (675, 3290), (705, 3150), (750, 2961), (846, 2625), (875, 2538), (945, 2350), (987, 2250), (1050, 2115), (1125, 1974), (1175, 1890), (1269, 1750), (1350, 1645), (1410, 1575)]