81349800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{2767}}^1$

素因数の和:2800

約数の個数: 144

約数和(自身を含む): 293463360

約数和(自身を除く): 212113560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 700, 735, 840, 980, 1050, 1176, 1225, 1400, 1470, 1960, 2100, 2450, 2767, 2940, 3675, 4200, 4900, 5534, 5880, 7350, 8301, 9800, 11068, 13835, 14700, 16602, 19369, 22136, 27670, 29400, 33204, 38738, 41505, 55340, 58107, 66408, 69175, 77476, 83010, 96845, 110680, 116214, 135583, 138350, 154952, 166020, 193690, 207525, 232428, 271166, 276700, 290535, 332040, 387380, 406749, 415050, 464856, 484225, 542332, 553400, 581070, 677915, 774760, 813498, 830100, 968450, 1084664, 1162140, 1355830, 1452675, 1626996, 1660200, 1936900, 2033745, 2324280, 2711660, 2905350, 3253992, 3389575, 3873800, 4067490, 5423320, 5810700, 6779150, 8134980, 10168725, 11621400, 13558300, 16269960, 20337450, 27116600, 40674900, 81349800]

約数ペア:

[(1, 81349800), (2, 40674900), (3, 27116600), (4, 20337450), (5, 16269960), (6, 13558300), (7, 11621400), (8, 10168725), (10, 8134980), (12, 6779150), (14, 5810700), (15, 5423320), (20, 4067490), (21, 3873800), (24, 3389575), (25, 3253992), (28, 2905350), (30, 2711660), (35, 2324280), (40, 2033745), (42, 1936900), (49, 1660200), (50, 1626996), (56, 1452675), (60, 1355830), (70, 1162140), (75, 1084664), (84, 968450), (98, 830100), (100, 813498), (105, 774760), (120, 677915), (140, 581070), (147, 553400), (150, 542332), (168, 484225), (175, 464856), (196, 415050), (200, 406749), (210, 387380), (245, 332040), (280, 290535), (294, 276700), (300, 271166), (350, 232428), (392, 207525), (420, 193690), (490, 166020), (525, 154952), (588, 138350), (600, 135583), (700, 116214), (735, 110680), (840, 96845), (980, 83010), (1050, 77476), (1176, 69175), (1225, 66408), (1400, 58107), (1470, 55340), (1960, 41505), (2100, 38738), (2450, 33204), (2767, 29400), (2940, 27670), (3675, 22136), (4200, 19369), (4900, 16602), (5534, 14700), (5880, 13835), (7350, 11068), (8301, 9800)]