203905920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1741}}^1$

素因数の和:1824

約数の個数: 128

約数和(自身を含む): 660984480

約数和(自身を除く): 457078560

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, 160, 183, 192, 240, 244, 305, 320, 366, 384, 480, 488, 610, 640, 732, 915, 960, 976, 1220, 1464, 1741, 1830, 1920, 1952, 2440, 2928, 3482, 3660, 3904, 4880, 5223, 5856, 6964, 7320, 7808, 8705, 9760, 10446, 11712, 13928, 14640, 17410, 19520, 20892, 23424, 26115, 27856, 29280, 34820, 39040, 41784, 52230, 55712, 58560, 69640, 83568, 104460, 106201, 111424, 117120, 139280, 167136, 208920, 212402, 222848, 278560, 318603, 334272, 417840, 424804, 531005, 557120, 637206, 668544, 835680, 849608, 1062010, 1114240, 1274412, 1593015, 1671360, 1699216, 2124020, 2548824, 3186030, 3342720, 3398432, 4248040, 5097648, 6372060, 6796864, 8496080, 10195296, 12744120, 13593728, 16992160, 20390592, 25488240, 33984320, 40781184, 50976480, 67968640, 101952960, 203905920]

約数ペア:

[(1, 203905920), (2, 101952960), (3, 67968640), (4, 50976480), (5, 40781184), (6, 33984320), (8, 25488240), (10, 20390592), (12, 16992160), (15, 13593728), (16, 12744120), (20, 10195296), (24, 8496080), (30, 6796864), (32, 6372060), (40, 5097648), (48, 4248040), (60, 3398432), (61, 3342720), (64, 3186030), (80, 2548824), (96, 2124020), (120, 1699216), (122, 1671360), (128, 1593015), (160, 1274412), (183, 1114240), (192, 1062010), (240, 849608), (244, 835680), (305, 668544), (320, 637206), (366, 557120), (384, 531005), (480, 424804), (488, 417840), (610, 334272), (640, 318603), (732, 278560), (915, 222848), (960, 212402), (976, 208920), (1220, 167136), (1464, 139280), (1741, 117120), (1830, 111424), (1920, 106201), (1952, 104460), (2440, 83568), (2928, 69640), (3482, 58560), (3660, 55712), (3904, 52230), (4880, 41784), (5223, 39040), (5856, 34820), (6964, 29280), (7320, 27856), (7808, 26115), (8705, 23424), (9760, 20892), (10446, 19520), (11712, 17410), (13928, 14640)]