81588480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21247}}^1$

素因数の和:21271

約数の個数: 72

約数和(自身を含む): 260585472

約数和(自身を除く): 178996992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21247, 42494, 63741, 84988, 106235, 127482, 169976, 212470, 254964, 318705, 339952, 424940, 509928, 637410, 679904, 849880, 1019856, 1274820, 1359808, 1699760, 2039712, 2549640, 2719616, 3399520, 4079424, 5099280, 5439232, 6799040, 8158848, 10198560, 13598080, 16317696, 20397120, 27196160, 40794240, 81588480]

約数ペア:

[(1, 81588480), (2, 40794240), (3, 27196160), (4, 20397120), (5, 16317696), (6, 13598080), (8, 10198560), (10, 8158848), (12, 6799040), (15, 5439232), (16, 5099280), (20, 4079424), (24, 3399520), (30, 2719616), (32, 2549640), (40, 2039712), (48, 1699760), (60, 1359808), (64, 1274820), (80, 1019856), (96, 849880), (120, 679904), (128, 637410), (160, 509928), (192, 424940), (240, 339952), (256, 318705), (320, 254964), (384, 212470), (480, 169976), (640, 127482), (768, 106235), (960, 84988), (1280, 63741), (1920, 42494), (3840, 21247)]