2831220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{107}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 10342080

約数和(自身を除く): 7510860

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, 107, 108, 126, 135, 140, 147, 180, 189, 196, 210, 214, 245, 252, 270, 294, 315, 321, 378, 420, 428, 441, 490, 535, 540, 588, 630, 642, 735, 749, 756, 882, 945, 963, 980, 1070, 1260, 1284, 1323, 1470, 1498, 1605, 1764, 1890, 1926, 2140, 2205, 2247, 2646, 2889, 2940, 2996, 3210, 3745, 3780, 3852, 4410, 4494, 4815, 5243, 5292, 5778, 6420, 6615, 6741, 7490, 8820, 8988, 9630, 10486, 11235, 11556, 13230, 13482, 14445, 14980, 15729, 19260, 20223, 20972, 22470, 26215, 26460, 26964, 28890, 31458, 33705, 40446, 44940, 47187, 52430, 57780, 62916, 67410, 78645, 80892, 94374, 101115, 104860, 134820, 141561, 157290, 188748, 202230, 235935, 283122, 314580, 404460, 471870, 566244, 707805, 943740, 1415610, 2831220]

約数ペア:

[(1, 2831220), (2, 1415610), (3, 943740), (4, 707805), (5, 566244), (6, 471870), (7, 404460), (9, 314580), (10, 283122), (12, 235935), (14, 202230), (15, 188748), (18, 157290), (20, 141561), (21, 134820), (27, 104860), (28, 101115), (30, 94374), (35, 80892), (36, 78645), (42, 67410), (45, 62916), (49, 57780), (54, 52430), (60, 47187), (63, 44940), (70, 40446), (84, 33705), (90, 31458), (98, 28890), (105, 26964), (107, 26460), (108, 26215), (126, 22470), (135, 20972), (140, 20223), (147, 19260), (180, 15729), (189, 14980), (196, 14445), (210, 13482), (214, 13230), (245, 11556), (252, 11235), (270, 10486), (294, 9630), (315, 8988), (321, 8820), (378, 7490), (420, 6741), (428, 6615), (441, 6420), (490, 5778), (535, 5292), (540, 5243), (588, 4815), (630, 4494), (642, 4410), (735, 3852), (749, 3780), (756, 3745), (882, 3210), (945, 2996), (963, 2940), (980, 2889), (1070, 2646), (1260, 2247), (1284, 2205), (1323, 2140), (1470, 1926), (1498, 1890), (1605, 1764)]