30721600

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:253

約数の個数: 168

約数和(自身を含む): 93480128

約数和(自身を除く): 62758528

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 200, 208, 211, 224, 260, 280, 320, 325, 350, 364, 400, 416, 422, 448, 455, 520, 560, 650, 700, 728, 800, 832, 844, 910, 1040, 1055, 1120, 1300, 1400, 1456, 1477, 1600, 1688, 1820, 2080, 2110, 2240, 2275, 2600, 2743, 2800, 2912, 2954, 3376, 3640, 4160, 4220, 4550, 5200, 5275, 5486, 5600, 5824, 5908, 6752, 7280, 7385, 8440, 9100, 10400, 10550, 10972, 11200, 11816, 13504, 13715, 14560, 14770, 16880, 18200, 19201, 20800, 21100, 21944, 23632, 27430, 29120, 29540, 33760, 36400, 36925, 38402, 42200, 43888, 47264, 54860, 59080, 67520, 68575, 72800, 73850, 76804, 84400, 87776, 94528, 96005, 109720, 118160, 137150, 145600, 147700, 153608, 168800, 175552, 192010, 219440, 236320, 274300, 295400, 307216, 337600, 384020, 438880, 472640, 480025, 548600, 590800, 614432, 768040, 877760, 960050, 1097200, 1181600, 1228864, 1536080, 1920100, 2194400, 2363200, 3072160, 3840200, 4388800, 6144320, 7680400, 15360800, 30721600]

約数ペア:

[(1, 30721600), (2, 15360800), (4, 7680400), (5, 6144320), (7, 4388800), (8, 3840200), (10, 3072160), (13, 2363200), (14, 2194400), (16, 1920100), (20, 1536080), (25, 1228864), (26, 1181600), (28, 1097200), (32, 960050), (35, 877760), (40, 768040), (50, 614432), (52, 590800), (56, 548600), (64, 480025), (65, 472640), (70, 438880), (80, 384020), (91, 337600), (100, 307216), (104, 295400), (112, 274300), (130, 236320), (140, 219440), (160, 192010), (175, 175552), (182, 168800), (200, 153608), (208, 147700), (211, 145600), (224, 137150), (260, 118160), (280, 109720), (320, 96005), (325, 94528), (350, 87776), (364, 84400), (400, 76804), (416, 73850), (422, 72800), (448, 68575), (455, 67520), (520, 59080), (560, 54860), (650, 47264), (700, 43888), (728, 42200), (800, 38402), (832, 36925), (844, 36400), (910, 33760), (1040, 29540), (1055, 29120), (1120, 27430), (1300, 23632), (1400, 21944), (1456, 21100), (1477, 20800), (1600, 19201), (1688, 18200), (1820, 16880), (2080, 14770), (2110, 14560), (2240, 13715), (2275, 13504), (2600, 11816), (2743, 11200), (2800, 10972), (2912, 10550), (2954, 10400), (3376, 9100), (3640, 8440), (4160, 7385), (4220, 7280), (4550, 6752), (5200, 5908), (5275, 5824), (5486, 5600)]