205428480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:962

約数の個数: 144

約数和(自身を含む): 667603104

約数和(自身を除く): 462174624

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, 256, 305, 320, 366, 384, 480, 488, 610, 640, 732, 768, 877, 915, 960, 976, 1220, 1280, 1464, 1754, 1830, 1920, 1952, 2440, 2631, 2928, 3508, 3660, 3840, 3904, 4385, 4880, 5262, 5856, 7016, 7320, 7808, 8770, 9760, 10524, 11712, 13155, 14032, 14640, 15616, 17540, 19520, 21048, 23424, 26310, 28064, 29280, 35080, 39040, 42096, 46848, 52620, 53497, 56128, 58560, 70160, 78080, 84192, 105240, 106994, 112256, 117120, 140320, 160491, 168384, 210480, 213988, 224512, 234240, 267485, 280640, 320982, 336768, 420960, 427976, 534970, 561280, 641964, 673536, 802455, 841920, 855952, 1069940, 1122560, 1283928, 1604910, 1683840, 1711904, 2139880, 2567856, 3209820, 3367680, 3423808, 4279760, 5135712, 6419640, 6847616, 8559520, 10271424, 12839280, 13695232, 17119040, 20542848, 25678560, 34238080, 41085696, 51357120, 68476160, 102714240, 205428480]

約数ペア:

[(1, 205428480), (2, 102714240), (3, 68476160), (4, 51357120), (5, 41085696), (6, 34238080), (8, 25678560), (10, 20542848), (12, 17119040), (15, 13695232), (16, 12839280), (20, 10271424), (24, 8559520), (30, 6847616), (32, 6419640), (40, 5135712), (48, 4279760), (60, 3423808), (61, 3367680), (64, 3209820), (80, 2567856), (96, 2139880), (120, 1711904), (122, 1683840), (128, 1604910), (160, 1283928), (183, 1122560), (192, 1069940), (240, 855952), (244, 841920), (256, 802455), (305, 673536), (320, 641964), (366, 561280), (384, 534970), (480, 427976), (488, 420960), (610, 336768), (640, 320982), (732, 280640), (768, 267485), (877, 234240), (915, 224512), (960, 213988), (976, 210480), (1220, 168384), (1280, 160491), (1464, 140320), (1754, 117120), (1830, 112256), (1920, 106994), (1952, 105240), (2440, 84192), (2631, 78080), (2928, 70160), (3508, 58560), (3660, 56128), (3840, 53497), (3904, 52620), (4385, 46848), (4880, 42096), (5262, 39040), (5856, 35080), (7016, 29280), (7320, 28064), (7808, 26310), (8770, 23424), (9760, 21048), (10524, 19520), (11712, 17540), (13155, 15616), (14032, 14640)]