30240400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 80262720

約数和(自身を除く): 50022320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 46, 50, 76, 80, 92, 95, 100, 115, 152, 173, 184, 190, 200, 230, 304, 346, 368, 380, 400, 437, 460, 475, 575, 692, 760, 865, 874, 920, 950, 1150, 1384, 1520, 1730, 1748, 1840, 1900, 2185, 2300, 2768, 3287, 3460, 3496, 3800, 3979, 4325, 4370, 4600, 6574, 6920, 6992, 7600, 7958, 8650, 8740, 9200, 10925, 13148, 13840, 15916, 16435, 17300, 17480, 19895, 21850, 26296, 31832, 32870, 34600, 34960, 39790, 43700, 52592, 63664, 65740, 69200, 75601, 79580, 82175, 87400, 99475, 131480, 151202, 159160, 164350, 174800, 198950, 262960, 302404, 318320, 328700, 378005, 397900, 604808, 657400, 756010, 795800, 1209616, 1314800, 1512020, 1591600, 1890025, 3024040, 3780050, 6048080, 7560100, 15120200, 30240400]

約数ペア:

[(1, 30240400), (2, 15120200), (4, 7560100), (5, 6048080), (8, 3780050), (10, 3024040), (16, 1890025), (19, 1591600), (20, 1512020), (23, 1314800), (25, 1209616), (38, 795800), (40, 756010), (46, 657400), (50, 604808), (76, 397900), (80, 378005), (92, 328700), (95, 318320), (100, 302404), (115, 262960), (152, 198950), (173, 174800), (184, 164350), (190, 159160), (200, 151202), (230, 131480), (304, 99475), (346, 87400), (368, 82175), (380, 79580), (400, 75601), (437, 69200), (460, 65740), (475, 63664), (575, 52592), (692, 43700), (760, 39790), (865, 34960), (874, 34600), (920, 32870), (950, 31832), (1150, 26296), (1384, 21850), (1520, 19895), (1730, 17480), (1748, 17300), (1840, 16435), (1900, 15916), (2185, 13840), (2300, 13148), (2768, 10925), (3287, 9200), (3460, 8740), (3496, 8650), (3800, 7958), (3979, 7600), (4325, 6992), (4370, 6920), (4600, 6574)]