221817120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{9431}}^1$

素因数の和:9463

約数の個数: 144

約数和(自身を含む): 812887488

約数和(自身を除く): 591070368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 9431, 11760, 18862, 23520, 28293, 37724, 47155, 56586, 66017, 75448, 94310, 113172, 132034, 141465, 150896, 188620, 198051, 226344, 264068, 282930, 301792, 330085, 377240, 396102, 452688, 462119, 528136, 565860, 660170, 754480, 792204, 905376, 924238, 990255, 1056272, 1131720, 1320340, 1386357, 1508960, 1584408, 1848476, 1980510, 2112544, 2263440, 2310595, 2640680, 2772714, 3168816, 3696952, 3961020, 4526880, 4621190, 5281360, 5545428, 6337632, 6931785, 7393904, 7922040, 9242380, 10562720, 11090856, 13863570, 14787808, 15844080, 18484760, 22181712, 27727140, 31688160, 36969520, 44363424, 55454280, 73939040, 110908560, 221817120]

約数ペア:

[(1, 221817120), (2, 110908560), (3, 73939040), (4, 55454280), (5, 44363424), (6, 36969520), (7, 31688160), (8, 27727140), (10, 22181712), (12, 18484760), (14, 15844080), (15, 14787808), (16, 13863570), (20, 11090856), (21, 10562720), (24, 9242380), (28, 7922040), (30, 7393904), (32, 6931785), (35, 6337632), (40, 5545428), (42, 5281360), (48, 4621190), (49, 4526880), (56, 3961020), (60, 3696952), (70, 3168816), (80, 2772714), (84, 2640680), (96, 2310595), (98, 2263440), (105, 2112544), (112, 1980510), (120, 1848476), (140, 1584408), (147, 1508960), (160, 1386357), (168, 1320340), (196, 1131720), (210, 1056272), (224, 990255), (240, 924238), (245, 905376), (280, 792204), (294, 754480), (336, 660170), (392, 565860), (420, 528136), (480, 462119), (490, 452688), (560, 396102), (588, 377240), (672, 330085), (735, 301792), (784, 282930), (840, 264068), (980, 226344), (1120, 198051), (1176, 188620), (1470, 150896), (1568, 141465), (1680, 132034), (1960, 113172), (2352, 94310), (2940, 75448), (3360, 66017), (3920, 56586), (4704, 47155), (5880, 37724), (7840, 28293), (9431, 23520), (11760, 18862)]