28231560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:700

約数の個数: 192

約数和(自身を含む): 111196800

約数和(自身を除く): 82965240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 476, 504, 510, 595, 612, 630, 659, 680, 714, 765, 840, 952, 1020, 1071, 1190, 1224, 1260, 1318, 1428, 1530, 1785, 1977, 2040, 2142, 2380, 2520, 2636, 2856, 3060, 3295, 3570, 3954, 4284, 4613, 4760, 5272, 5355, 5931, 6120, 6590, 7140, 7908, 8568, 9226, 9885, 10710, 11203, 11862, 13180, 13839, 14280, 15816, 18452, 19770, 21420, 22406, 23065, 23724, 26360, 27678, 29655, 33609, 36904, 39540, 41517, 42840, 44812, 46130, 47448, 55356, 56015, 59310, 67218, 69195, 78421, 79080, 83034, 89624, 92260, 100827, 110712, 112030, 118620, 134436, 138390, 156842, 166068, 168045, 184520, 201654, 207585, 224060, 235263, 237240, 268872, 276780, 313684, 332136, 336090, 392105, 403308, 415170, 448120, 470526, 504135, 553560, 627368, 672180, 705789, 784210, 806616, 830340, 941052, 1008270, 1176315, 1344360, 1411578, 1568420, 1660680, 1882104, 2016540, 2352630, 2823156, 3136840, 3528945, 4033080, 4705260, 5646312, 7057890, 9410520, 14115780, 28231560]

約数ペア:

[(1, 28231560), (2, 14115780), (3, 9410520), (4, 7057890), (5, 5646312), (6, 4705260), (7, 4033080), (8, 3528945), (9, 3136840), (10, 2823156), (12, 2352630), (14, 2016540), (15, 1882104), (17, 1660680), (18, 1568420), (20, 1411578), (21, 1344360), (24, 1176315), (28, 1008270), (30, 941052), (34, 830340), (35, 806616), (36, 784210), (40, 705789), (42, 672180), (45, 627368), (51, 553560), (56, 504135), (60, 470526), (63, 448120), (68, 415170), (70, 403308), (72, 392105), (84, 336090), (85, 332136), (90, 313684), (102, 276780), (105, 268872), (119, 237240), (120, 235263), (126, 224060), (136, 207585), (140, 201654), (153, 184520), (168, 168045), (170, 166068), (180, 156842), (204, 138390), (210, 134436), (238, 118620), (252, 112030), (255, 110712), (280, 100827), (306, 92260), (315, 89624), (340, 83034), (357, 79080), (360, 78421), (408, 69195), (420, 67218), (476, 59310), (504, 56015), (510, 55356), (595, 47448), (612, 46130), (630, 44812), (659, 42840), (680, 41517), (714, 39540), (765, 36904), (840, 33609), (952, 29655), (1020, 27678), (1071, 26360), (1190, 23724), (1224, 23065), (1260, 22406), (1318, 21420), (1428, 19770), (1530, 18452), (1785, 15816), (1977, 14280), (2040, 13839), (2142, 13180), (2380, 11862), (2520, 11203), (2636, 10710), (2856, 9885), (3060, 9226), (3295, 8568), (3570, 7908), (3954, 7140), (4284, 6590), (4613, 6120), (4760, 5931), (5272, 5355)]