30190720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 86365440

約数和(自身を除く): 56174720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 293, 320, 322, 368, 448, 460, 560, 586, 640, 644, 736, 805, 896, 920, 1120, 1172, 1288, 1465, 1472, 1610, 1840, 2051, 2240, 2344, 2576, 2930, 2944, 3220, 3680, 4102, 4480, 4688, 5152, 5860, 6440, 6739, 7360, 8204, 9376, 10255, 10304, 11720, 12880, 13478, 14720, 16408, 18752, 20510, 20608, 23440, 25760, 26956, 32816, 33695, 37504, 41020, 46880, 47173, 51520, 53912, 65632, 67390, 82040, 93760, 94346, 103040, 107824, 131264, 134780, 164080, 187520, 188692, 215648, 235865, 262528, 269560, 328160, 377384, 431296, 471730, 539120, 656320, 754768, 862592, 943460, 1078240, 1312640, 1509536, 1886920, 2156480, 3019072, 3773840, 4312960, 6038144, 7547680, 15095360, 30190720]

約数ペア:

[(1, 30190720), (2, 15095360), (4, 7547680), (5, 6038144), (7, 4312960), (8, 3773840), (10, 3019072), (14, 2156480), (16, 1886920), (20, 1509536), (23, 1312640), (28, 1078240), (32, 943460), (35, 862592), (40, 754768), (46, 656320), (56, 539120), (64, 471730), (70, 431296), (80, 377384), (92, 328160), (112, 269560), (115, 262528), (128, 235865), (140, 215648), (160, 188692), (161, 187520), (184, 164080), (224, 134780), (230, 131264), (280, 107824), (293, 103040), (320, 94346), (322, 93760), (368, 82040), (448, 67390), (460, 65632), (560, 53912), (586, 51520), (640, 47173), (644, 46880), (736, 41020), (805, 37504), (896, 33695), (920, 32816), (1120, 26956), (1172, 25760), (1288, 23440), (1465, 20608), (1472, 20510), (1610, 18752), (1840, 16408), (2051, 14720), (2240, 13478), (2344, 12880), (2576, 11720), (2930, 10304), (2944, 10255), (3220, 9376), (3680, 8204), (4102, 7360), (4480, 6739), (4688, 6440), (5152, 5860)]