248128640

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^2\times {\mathrm{461}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 615675060

約数和(自身を除く): 367546420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 461, 464, 580, 640, 841, 922, 928, 1160, 1682, 1844, 1856, 2305, 2320, 3364, 3688, 3712, 4205, 4610, 4640, 6728, 7376, 8410, 9220, 9280, 13369, 13456, 14752, 16820, 18440, 18560, 26738, 26912, 29504, 33640, 36880, 53476, 53824, 59008, 66845, 67280, 73760, 106952, 107648, 133690, 134560, 147520, 213904, 267380, 269120, 295040, 387701, 427808, 534760, 538240, 775402, 855616, 1069520, 1550804, 1711232, 1938505, 2139040, 3101608, 3877010, 4278080, 6203216, 7754020, 8556160, 12406432, 15508040, 24812864, 31016080, 49625728, 62032160, 124064320, 248128640]

約数ペア:

[(1, 248128640), (2, 124064320), (4, 62032160), (5, 49625728), (8, 31016080), (10, 24812864), (16, 15508040), (20, 12406432), (29, 8556160), (32, 7754020), (40, 6203216), (58, 4278080), (64, 3877010), (80, 3101608), (116, 2139040), (128, 1938505), (145, 1711232), (160, 1550804), (232, 1069520), (290, 855616), (320, 775402), (461, 538240), (464, 534760), (580, 427808), (640, 387701), (841, 295040), (922, 269120), (928, 267380), (1160, 213904), (1682, 147520), (1844, 134560), (1856, 133690), (2305, 107648), (2320, 106952), (3364, 73760), (3688, 67280), (3712, 66845), (4205, 59008), (4610, 53824), (4640, 53476), (6728, 36880), (7376, 33640), (8410, 29504), (9220, 26912), (9280, 26738), (13369, 18560), (13456, 18440), (14752, 16820)]