30987900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:545

約数の個数: 144

約数和(自身を含む): 104160000

約数和(自身を除く): 73172100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 69, 75, 90, 92, 100, 108, 115, 135, 138, 150, 180, 207, 225, 230, 270, 276, 300, 345, 414, 450, 460, 499, 540, 575, 621, 675, 690, 828, 900, 998, 1035, 1150, 1242, 1350, 1380, 1497, 1725, 1996, 2070, 2300, 2484, 2495, 2700, 2994, 3105, 3450, 4140, 4491, 4990, 5175, 5988, 6210, 6900, 7485, 8982, 9980, 10350, 11477, 12420, 12475, 13473, 14970, 15525, 17964, 20700, 22455, 22954, 24950, 26946, 29940, 31050, 34431, 37425, 44910, 45908, 49900, 53892, 57385, 62100, 67365, 68862, 74850, 89820, 103293, 112275, 114770, 134730, 137724, 149700, 172155, 206586, 224550, 229540, 269460, 286925, 309879, 336825, 344310, 413172, 449100, 516465, 573850, 619758, 673650, 688620, 860775, 1032930, 1147700, 1239516, 1347300, 1549395, 1721550, 2065860, 2582325, 3098790, 3443100, 5164650, 6197580, 7746975, 10329300, 15493950, 30987900]

約数ペア:

[(1, 30987900), (2, 15493950), (3, 10329300), (4, 7746975), (5, 6197580), (6, 5164650), (9, 3443100), (10, 3098790), (12, 2582325), (15, 2065860), (18, 1721550), (20, 1549395), (23, 1347300), (25, 1239516), (27, 1147700), (30, 1032930), (36, 860775), (45, 688620), (46, 673650), (50, 619758), (54, 573850), (60, 516465), (69, 449100), (75, 413172), (90, 344310), (92, 336825), (100, 309879), (108, 286925), (115, 269460), (135, 229540), (138, 224550), (150, 206586), (180, 172155), (207, 149700), (225, 137724), (230, 134730), (270, 114770), (276, 112275), (300, 103293), (345, 89820), (414, 74850), (450, 68862), (460, 67365), (499, 62100), (540, 57385), (575, 53892), (621, 49900), (675, 45908), (690, 44910), (828, 37425), (900, 34431), (998, 31050), (1035, 29940), (1150, 26946), (1242, 24950), (1350, 22954), (1380, 22455), (1497, 20700), (1725, 17964), (1996, 15525), (2070, 14970), (2300, 13473), (2484, 12475), (2495, 12420), (2700, 11477), (2994, 10350), (3105, 9980), (3450, 8982), (4140, 7485), (4491, 6900), (4990, 6210), (5175, 5988)]