2196040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 128

約数和(自身を含む): 6635520

約数和(自身を除く): 4439480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 31, 35, 40, 44, 46, 55, 56, 62, 70, 77, 88, 92, 110, 115, 124, 140, 154, 155, 161, 184, 217, 220, 230, 248, 253, 280, 308, 310, 322, 341, 385, 434, 440, 460, 506, 616, 620, 644, 682, 713, 770, 805, 868, 920, 1012, 1085, 1240, 1265, 1288, 1364, 1426, 1540, 1610, 1705, 1736, 1771, 2024, 2170, 2387, 2530, 2728, 2852, 3080, 3220, 3410, 3542, 3565, 4340, 4774, 4991, 5060, 5704, 6440, 6820, 7084, 7130, 7843, 8680, 8855, 9548, 9982, 10120, 11935, 13640, 14168, 14260, 15686, 17710, 19096, 19964, 23870, 24955, 28520, 31372, 35420, 39215, 39928, 47740, 49910, 54901, 62744, 70840, 78430, 95480, 99820, 109802, 156860, 199640, 219604, 274505, 313720, 439208, 549010, 1098020, 2196040]

約数ペア:

[(1, 2196040), (2, 1098020), (4, 549010), (5, 439208), (7, 313720), (8, 274505), (10, 219604), (11, 199640), (14, 156860), (20, 109802), (22, 99820), (23, 95480), (28, 78430), (31, 70840), (35, 62744), (40, 54901), (44, 49910), (46, 47740), (55, 39928), (56, 39215), (62, 35420), (70, 31372), (77, 28520), (88, 24955), (92, 23870), (110, 19964), (115, 19096), (124, 17710), (140, 15686), (154, 14260), (155, 14168), (161, 13640), (184, 11935), (217, 10120), (220, 9982), (230, 9548), (248, 8855), (253, 8680), (280, 7843), (308, 7130), (310, 7084), (322, 6820), (341, 6440), (385, 5704), (434, 5060), (440, 4991), (460, 4774), (506, 4340), (616, 3565), (620, 3542), (644, 3410), (682, 3220), (713, 3080), (770, 2852), (805, 2728), (868, 2530), (920, 2387), (1012, 2170), (1085, 2024), (1240, 1771), (1265, 1736), (1288, 1705), (1364, 1610), (1426, 1540)]