121720620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4751}}^1$

素因数の和:4831

約数の個数: 96

約数和(自身を含む): 395974656

約数和(自身を除く): 274254036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3660, 4270, 4751, 5124, 6405, 8540, 9502, 12810, 14253, 19004, 23755, 25620, 28506, 33257, 47510, 57012, 66514, 71265, 95020, 99771, 133028, 142530, 166285, 199542, 285060, 289811, 332570, 399084, 498855, 579622, 665140, 869433, 997710, 1159244, 1449055, 1738866, 1995420, 2028677, 2898110, 3477732, 4057354, 4347165, 5796220, 6086031, 8114708, 8694330, 10143385, 12172062, 17388660, 20286770, 24344124, 30430155, 40573540, 60860310, 121720620]

約数ペア:

[(1, 121720620), (2, 60860310), (3, 40573540), (4, 30430155), (5, 24344124), (6, 20286770), (7, 17388660), (10, 12172062), (12, 10143385), (14, 8694330), (15, 8114708), (20, 6086031), (21, 5796220), (28, 4347165), (30, 4057354), (35, 3477732), (42, 2898110), (60, 2028677), (61, 1995420), (70, 1738866), (84, 1449055), (105, 1159244), (122, 997710), (140, 869433), (183, 665140), (210, 579622), (244, 498855), (305, 399084), (366, 332570), (420, 289811), (427, 285060), (610, 199542), (732, 166285), (854, 142530), (915, 133028), (1220, 99771), (1281, 95020), (1708, 71265), (1830, 66514), (2135, 57012), (2562, 47510), (3660, 33257), (4270, 28506), (4751, 25620), (5124, 23755), (6405, 19004), (8540, 14253), (9502, 12810)]