3942540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{149}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 14364000

約数和(自身を除く): 10421460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 149, 180, 189, 196, 210, 245, 252, 270, 294, 298, 315, 378, 420, 441, 447, 490, 540, 588, 596, 630, 735, 745, 756, 882, 894, 945, 980, 1043, 1260, 1323, 1341, 1470, 1490, 1764, 1788, 1890, 2086, 2205, 2235, 2646, 2682, 2940, 2980, 3129, 3780, 4023, 4172, 4410, 4470, 5215, 5292, 5364, 6258, 6615, 6705, 7301, 8046, 8820, 8940, 9387, 10430, 12516, 13230, 13410, 14602, 15645, 16092, 18774, 20115, 20860, 21903, 26460, 26820, 28161, 29204, 31290, 36505, 37548, 40230, 43806, 46935, 56322, 62580, 65709, 73010, 80460, 87612, 93870, 109515, 112644, 131418, 140805, 146020, 187740, 197127, 219030, 262836, 281610, 328545, 394254, 438060, 563220, 657090, 788508, 985635, 1314180, 1971270, 3942540]

約数ペア:

[(1, 3942540), (2, 1971270), (3, 1314180), (4, 985635), (5, 788508), (6, 657090), (7, 563220), (9, 438060), (10, 394254), (12, 328545), (14, 281610), (15, 262836), (18, 219030), (20, 197127), (21, 187740), (27, 146020), (28, 140805), (30, 131418), (35, 112644), (36, 109515), (42, 93870), (45, 87612), (49, 80460), (54, 73010), (60, 65709), (63, 62580), (70, 56322), (84, 46935), (90, 43806), (98, 40230), (105, 37548), (108, 36505), (126, 31290), (135, 29204), (140, 28161), (147, 26820), (149, 26460), (180, 21903), (189, 20860), (196, 20115), (210, 18774), (245, 16092), (252, 15645), (270, 14602), (294, 13410), (298, 13230), (315, 12516), (378, 10430), (420, 9387), (441, 8940), (447, 8820), (490, 8046), (540, 7301), (588, 6705), (596, 6615), (630, 6258), (735, 5364), (745, 5292), (756, 5215), (882, 4470), (894, 4410), (945, 4172), (980, 4023), (1043, 3780), (1260, 3129), (1323, 2980), (1341, 2940), (1470, 2682), (1490, 2646), (1764, 2235), (1788, 2205), (1890, 2086)]