218955840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3739}}^1$

素因数の和:3820

約数の個数: 112

約数和(自身を含む): 706770240

約数和(自身を除く): 487814400

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, 160, 183, 192, 240, 244, 305, 320, 366, 480, 488, 610, 732, 915, 960, 976, 1220, 1464, 1830, 1952, 2440, 2928, 3660, 3739, 3904, 4880, 5856, 7320, 7478, 9760, 11217, 11712, 14640, 14956, 18695, 19520, 22434, 29280, 29912, 37390, 44868, 56085, 58560, 59824, 74780, 89736, 112170, 119648, 149560, 179472, 224340, 228079, 239296, 299120, 358944, 448680, 456158, 598240, 684237, 717888, 897360, 912316, 1140395, 1196480, 1368474, 1794720, 1824632, 2280790, 2736948, 3421185, 3589440, 3649264, 4561580, 5473896, 6842370, 7298528, 9123160, 10947792, 13684740, 14597056, 18246320, 21895584, 27369480, 36492640, 43791168, 54738960, 72985280, 109477920, 218955840]

約数ペア:

[(1, 218955840), (2, 109477920), (3, 72985280), (4, 54738960), (5, 43791168), (6, 36492640), (8, 27369480), (10, 21895584), (12, 18246320), (15, 14597056), (16, 13684740), (20, 10947792), (24, 9123160), (30, 7298528), (32, 6842370), (40, 5473896), (48, 4561580), (60, 3649264), (61, 3589440), (64, 3421185), (80, 2736948), (96, 2280790), (120, 1824632), (122, 1794720), (160, 1368474), (183, 1196480), (192, 1140395), (240, 912316), (244, 897360), (305, 717888), (320, 684237), (366, 598240), (480, 456158), (488, 448680), (610, 358944), (732, 299120), (915, 239296), (960, 228079), (976, 224340), (1220, 179472), (1464, 149560), (1830, 119648), (1952, 112170), (2440, 89736), (2928, 74780), (3660, 59824), (3739, 58560), (3904, 56085), (4880, 44868), (5856, 37390), (7320, 29912), (7478, 29280), (9760, 22434), (11217, 19520), (11712, 18695), (14640, 14956)]