30977520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18439}}^1$

素因数の和:18462

約数の個数: 80

約数和(自身を含む): 109754880

約数和(自身を除く): 78777360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18439, 36878, 55317, 73756, 92195, 110634, 129073, 147512, 184390, 221268, 258146, 276585, 295024, 368780, 387219, 442536, 516292, 553170, 645365, 737560, 774438, 885072, 1032584, 1106340, 1290730, 1475120, 1548876, 1936095, 2065168, 2212680, 2581460, 3097752, 3872190, 4425360, 5162920, 6195504, 7744380, 10325840, 15488760, 30977520]

約数ペア:

[(1, 30977520), (2, 15488760), (3, 10325840), (4, 7744380), (5, 6195504), (6, 5162920), (7, 4425360), (8, 3872190), (10, 3097752), (12, 2581460), (14, 2212680), (15, 2065168), (16, 1936095), (20, 1548876), (21, 1475120), (24, 1290730), (28, 1106340), (30, 1032584), (35, 885072), (40, 774438), (42, 737560), (48, 645365), (56, 553170), (60, 516292), (70, 442536), (80, 387219), (84, 368780), (105, 295024), (112, 276585), (120, 258146), (140, 221268), (168, 184390), (210, 147512), (240, 129073), (280, 110634), (336, 92195), (420, 73756), (560, 55317), (840, 36878), (1680, 18439)]