28038570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 81838080

約数和(自身を除く): 53799510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 59, 62, 70, 73, 93, 105, 118, 146, 155, 177, 186, 210, 217, 219, 295, 310, 354, 365, 413, 434, 438, 465, 511, 590, 651, 730, 826, 885, 930, 1022, 1085, 1095, 1239, 1302, 1533, 1770, 1829, 2065, 2170, 2190, 2263, 2478, 2555, 3066, 3255, 3658, 4130, 4307, 4526, 5110, 5487, 6195, 6510, 6789, 7665, 8614, 9145, 10974, 11315, 12390, 12803, 12921, 13578, 15330, 15841, 18290, 21535, 22630, 25606, 25842, 27435, 30149, 31682, 33945, 38409, 43070, 47523, 54870, 60298, 64015, 64605, 67890, 76818, 79205, 90447, 95046, 128030, 129210, 133517, 150745, 158410, 180894, 192045, 237615, 267034, 301490, 384090, 400551, 452235, 475230, 667585, 801102, 904470, 934619, 1335170, 1869238, 2002755, 2803857, 4005510, 4673095, 5607714, 9346190, 14019285, 28038570]

約数ペア:

[(1, 28038570), (2, 14019285), (3, 9346190), (5, 5607714), (6, 4673095), (7, 4005510), (10, 2803857), (14, 2002755), (15, 1869238), (21, 1335170), (30, 934619), (31, 904470), (35, 801102), (42, 667585), (59, 475230), (62, 452235), (70, 400551), (73, 384090), (93, 301490), (105, 267034), (118, 237615), (146, 192045), (155, 180894), (177, 158410), (186, 150745), (210, 133517), (217, 129210), (219, 128030), (295, 95046), (310, 90447), (354, 79205), (365, 76818), (413, 67890), (434, 64605), (438, 64015), (465, 60298), (511, 54870), (590, 47523), (651, 43070), (730, 38409), (826, 33945), (885, 31682), (930, 30149), (1022, 27435), (1085, 25842), (1095, 25606), (1239, 22630), (1302, 21535), (1533, 18290), (1770, 15841), (1829, 15330), (2065, 13578), (2170, 12921), (2190, 12803), (2263, 12390), (2478, 11315), (2555, 10974), (3066, 9145), (3255, 8614), (3658, 7665), (4130, 6789), (4307, 6510), (4526, 6195), (5110, 5487)]