1767780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 6499584

約数和(自身を除く): 4731804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 61, 63, 69, 70, 84, 90, 92, 105, 115, 122, 126, 138, 140, 161, 180, 183, 207, 210, 230, 244, 252, 276, 305, 315, 322, 345, 366, 414, 420, 427, 460, 483, 549, 610, 630, 644, 690, 732, 805, 828, 854, 915, 966, 1035, 1098, 1220, 1260, 1281, 1380, 1403, 1449, 1610, 1708, 1830, 1932, 2070, 2135, 2196, 2415, 2562, 2745, 2806, 2898, 3220, 3660, 3843, 4140, 4209, 4270, 4830, 5124, 5490, 5612, 5796, 6405, 7015, 7245, 7686, 8418, 8540, 9660, 9821, 10980, 12627, 12810, 14030, 14490, 15372, 16836, 19215, 19642, 21045, 25254, 25620, 28060, 28980, 29463, 38430, 39284, 42090, 49105, 50508, 58926, 63135, 76860, 84180, 88389, 98210, 117852, 126270, 147315, 176778, 196420, 252540, 294630, 353556, 441945, 589260, 883890, 1767780]

約数ペア:

[(1, 1767780), (2, 883890), (3, 589260), (4, 441945), (5, 353556), (6, 294630), (7, 252540), (9, 196420), (10, 176778), (12, 147315), (14, 126270), (15, 117852), (18, 98210), (20, 88389), (21, 84180), (23, 76860), (28, 63135), (30, 58926), (35, 50508), (36, 49105), (42, 42090), (45, 39284), (46, 38430), (60, 29463), (61, 28980), (63, 28060), (69, 25620), (70, 25254), (84, 21045), (90, 19642), (92, 19215), (105, 16836), (115, 15372), (122, 14490), (126, 14030), (138, 12810), (140, 12627), (161, 10980), (180, 9821), (183, 9660), (207, 8540), (210, 8418), (230, 7686), (244, 7245), (252, 7015), (276, 6405), (305, 5796), (315, 5612), (322, 5490), (345, 5124), (366, 4830), (414, 4270), (420, 4209), (427, 4140), (460, 3843), (483, 3660), (549, 3220), (610, 2898), (630, 2806), (644, 2745), (690, 2562), (732, 2415), (805, 2196), (828, 2135), (854, 2070), (915, 1932), (966, 1830), (1035, 1708), (1098, 1610), (1220, 1449), (1260, 1403), (1281, 1380)]