255795720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51991}}^1$

素因数の和:52046

約数の個数: 64

約数和(自身を含む): 786119040

約数和(自身を除く): 530323320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 51991, 103982, 155973, 207964, 259955, 311946, 415928, 519910, 623892, 779865, 1039820, 1247784, 1559730, 2079640, 2131631, 3119460, 4263262, 6238920, 6394893, 8526524, 10658155, 12789786, 17053048, 21316310, 25579572, 31974465, 42632620, 51159144, 63948930, 85265240, 127897860, 255795720]

約数ペア:

[(1, 255795720), (2, 127897860), (3, 85265240), (4, 63948930), (5, 51159144), (6, 42632620), (8, 31974465), (10, 25579572), (12, 21316310), (15, 17053048), (20, 12789786), (24, 10658155), (30, 8526524), (40, 6394893), (41, 6238920), (60, 4263262), (82, 3119460), (120, 2131631), (123, 2079640), (164, 1559730), (205, 1247784), (246, 1039820), (328, 779865), (410, 623892), (492, 519910), (615, 415928), (820, 311946), (984, 259955), (1230, 207964), (1640, 155973), (2460, 103982), (4920, 51991)]