256751640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{237733}}^1$

素因数の和:237753

約数の個数: 64

約数和(自身を含む): 855842400

約数和(自身を除く): 599090760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 237733, 475466, 713199, 950932, 1188665, 1426398, 1901864, 2139597, 2377330, 2852796, 3565995, 4279194, 4754660, 5705592, 6418791, 7131990, 8558388, 9509320, 10697985, 12837582, 14263980, 17116776, 21395970, 25675164, 28527960, 32093955, 42791940, 51350328, 64187910, 85583880, 128375820, 256751640]

約数ペア:

[(1, 256751640), (2, 128375820), (3, 85583880), (4, 64187910), (5, 51350328), (6, 42791940), (8, 32093955), (9, 28527960), (10, 25675164), (12, 21395970), (15, 17116776), (18, 14263980), (20, 12837582), (24, 10697985), (27, 9509320), (30, 8558388), (36, 7131990), (40, 6418791), (45, 5705592), (54, 4754660), (60, 4279194), (72, 3565995), (90, 2852796), (108, 2377330), (120, 2139597), (135, 1901864), (180, 1426398), (216, 1188665), (270, 950932), (360, 713199), (540, 475466), (1080, 237733)]