19928160

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{659}}^1$

素因数の和:690

約数の個数: 192

約数和(自身を含む): 79833600

約数和(自身を除く): 59905440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 659, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1318, 1440, 1512, 1680, 1890, 1977, 2016, 2160, 2520, 2636, 3024, 3295, 3360, 3780, 3954, 4320, 4613, 5040, 5272, 5931, 6048, 6590, 7560, 7908, 9226, 9885, 10080, 10544, 11862, 13180, 13839, 15120, 15816, 17793, 18452, 19770, 21088, 23065, 23724, 26360, 27678, 29655, 30240, 31632, 35586, 36904, 39540, 41517, 46130, 47448, 52720, 55356, 59310, 63264, 69195, 71172, 73808, 79080, 83034, 88965, 92260, 94896, 105440, 110712, 118620, 124551, 138390, 142344, 147616, 158160, 166068, 177930, 184520, 189792, 207585, 221424, 237240, 249102, 276780, 284688, 316320, 332136, 355860, 369040, 415170, 442848, 474480, 498204, 553560, 569376, 622755, 664272, 711720, 738080, 830340, 948960, 996408, 1107120, 1245510, 1328544, 1423440, 1660680, 1992816, 2214240, 2491020, 2846880, 3321360, 3985632, 4982040, 6642720, 9964080, 19928160]

約数ペア:

[(1, 19928160), (2, 9964080), (3, 6642720), (4, 4982040), (5, 3985632), (6, 3321360), (7, 2846880), (8, 2491020), (9, 2214240), (10, 1992816), (12, 1660680), (14, 1423440), (15, 1328544), (16, 1245510), (18, 1107120), (20, 996408), (21, 948960), (24, 830340), (27, 738080), (28, 711720), (30, 664272), (32, 622755), (35, 569376), (36, 553560), (40, 498204), (42, 474480), (45, 442848), (48, 415170), (54, 369040), (56, 355860), (60, 332136), (63, 316320), (70, 284688), (72, 276780), (80, 249102), (84, 237240), (90, 221424), (96, 207585), (105, 189792), (108, 184520), (112, 177930), (120, 166068), (126, 158160), (135, 147616), (140, 142344), (144, 138390), (160, 124551), (168, 118620), (180, 110712), (189, 105440), (210, 94896), (216, 92260), (224, 88965), (240, 83034), (252, 79080), (270, 73808), (280, 71172), (288, 69195), (315, 63264), (336, 59310), (360, 55356), (378, 52720), (420, 47448), (432, 46130), (480, 41517), (504, 39540), (540, 36904), (560, 35586), (630, 31632), (659, 30240), (672, 29655), (720, 27678), (756, 26360), (840, 23724), (864, 23065), (945, 21088), (1008, 19770), (1080, 18452), (1120, 17793), (1260, 15816), (1318, 15120), (1440, 13839), (1512, 13180), (1680, 11862), (1890, 10544), (1977, 10080), (2016, 9885), (2160, 9226), (2520, 7908), (2636, 7560), (3024, 6590), (3295, 6048), (3360, 5931), (3780, 5272), (3954, 5040), (4320, 4613)]