30685440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 100368576

約数和(自身を除く): 69683136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 131, 160, 183, 192, 240, 244, 256, 262, 305, 320, 366, 384, 393, 480, 488, 524, 610, 640, 655, 732, 768, 786, 915, 960, 976, 1048, 1220, 1280, 1310, 1464, 1572, 1830, 1920, 1952, 1965, 2096, 2440, 2620, 2928, 3144, 3660, 3840, 3904, 3930, 4192, 4880, 5240, 5856, 6288, 7320, 7808, 7860, 7991, 8384, 9760, 10480, 11712, 12576, 14640, 15616, 15720, 15982, 16768, 19520, 20960, 23424, 23973, 25152, 29280, 31440, 31964, 33536, 39040, 39955, 41920, 46848, 47946, 50304, 58560, 62880, 63928, 78080, 79910, 83840, 95892, 100608, 117120, 119865, 125760, 127856, 159820, 167680, 191784, 234240, 239730, 251520, 255712, 319640, 383568, 479460, 503040, 511424, 639280, 767136, 958920, 1022848, 1278560, 1534272, 1917840, 2045696, 2557120, 3068544, 3835680, 5114240, 6137088, 7671360, 10228480, 15342720, 30685440]

約数ペア:

[(1, 30685440), (2, 15342720), (3, 10228480), (4, 7671360), (5, 6137088), (6, 5114240), (8, 3835680), (10, 3068544), (12, 2557120), (15, 2045696), (16, 1917840), (20, 1534272), (24, 1278560), (30, 1022848), (32, 958920), (40, 767136), (48, 639280), (60, 511424), (61, 503040), (64, 479460), (80, 383568), (96, 319640), (120, 255712), (122, 251520), (128, 239730), (131, 234240), (160, 191784), (183, 167680), (192, 159820), (240, 127856), (244, 125760), (256, 119865), (262, 117120), (305, 100608), (320, 95892), (366, 83840), (384, 79910), (393, 78080), (480, 63928), (488, 62880), (524, 58560), (610, 50304), (640, 47946), (655, 46848), (732, 41920), (768, 39955), (786, 39040), (915, 33536), (960, 31964), (976, 31440), (1048, 29280), (1220, 25152), (1280, 23973), (1310, 23424), (1464, 20960), (1572, 19520), (1830, 16768), (1920, 15982), (1952, 15720), (1965, 15616), (2096, 14640), (2440, 12576), (2620, 11712), (2928, 10480), (3144, 9760), (3660, 8384), (3840, 7991), (3904, 7860), (3930, 7808), (4192, 7320), (4880, 6288), (5240, 5856)]