1405440

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{61}}^1$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 4947228

約数和(自身を除く): 3541788

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 64, 72, 80, 90, 96, 120, 122, 128, 144, 160, 180, 183, 192, 240, 244, 256, 288, 305, 320, 360, 366, 384, 480, 488, 512, 549, 576, 610, 640, 720, 732, 768, 915, 960, 976, 1098, 1152, 1220, 1280, 1440, 1464, 1536, 1830, 1920, 1952, 2196, 2304, 2440, 2560, 2745, 2880, 2928, 3660, 3840, 3904, 4392, 4608, 4880, 5490, 5760, 5856, 7320, 7680, 7808, 8784, 9760, 10980, 11520, 11712, 14640, 15616, 17568, 19520, 21960, 23040, 23424, 29280, 31232, 35136, 39040, 43920, 46848, 58560, 70272, 78080, 87840, 93696, 117120, 140544, 156160, 175680, 234240, 281088, 351360, 468480, 702720, 1405440]

約数ペア:

[(1, 1405440), (2, 702720), (3, 468480), (4, 351360), (5, 281088), (6, 234240), (8, 175680), (9, 156160), (10, 140544), (12, 117120), (15, 93696), (16, 87840), (18, 78080), (20, 70272), (24, 58560), (30, 46848), (32, 43920), (36, 39040), (40, 35136), (45, 31232), (48, 29280), (60, 23424), (61, 23040), (64, 21960), (72, 19520), (80, 17568), (90, 15616), (96, 14640), (120, 11712), (122, 11520), (128, 10980), (144, 9760), (160, 8784), (180, 7808), (183, 7680), (192, 7320), (240, 5856), (244, 5760), (256, 5490), (288, 4880), (305, 4608), (320, 4392), (360, 3904), (366, 3840), (384, 3660), (480, 2928), (488, 2880), (512, 2745), (549, 2560), (576, 2440), (610, 2304), (640, 2196), (720, 1952), (732, 1920), (768, 1830), (915, 1536), (960, 1464), (976, 1440), (1098, 1280), (1152, 1220)]