4280220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 15375360

約数和(自身を除く): 11095140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 79, 84, 86, 90, 105, 126, 129, 140, 158, 172, 180, 210, 215, 237, 252, 258, 301, 315, 316, 387, 395, 420, 430, 474, 516, 553, 602, 630, 645, 711, 774, 790, 860, 903, 948, 1106, 1185, 1204, 1260, 1290, 1422, 1505, 1548, 1580, 1659, 1806, 1935, 2212, 2370, 2580, 2709, 2765, 2844, 3010, 3318, 3397, 3555, 3612, 3870, 4515, 4740, 4977, 5418, 5530, 6020, 6636, 6794, 7110, 7740, 8295, 9030, 9954, 10191, 10836, 11060, 13545, 13588, 14220, 16590, 16985, 18060, 19908, 20382, 23779, 24885, 27090, 30573, 33180, 33970, 40764, 47558, 49770, 50955, 54180, 61146, 67940, 71337, 95116, 99540, 101910, 118895, 122292, 142674, 152865, 203820, 214011, 237790, 285348, 305730, 356685, 428022, 475580, 611460, 713370, 856044, 1070055, 1426740, 2140110, 4280220]

約数ペア:

[(1, 4280220), (2, 2140110), (3, 1426740), (4, 1070055), (5, 856044), (6, 713370), (7, 611460), (9, 475580), (10, 428022), (12, 356685), (14, 305730), (15, 285348), (18, 237790), (20, 214011), (21, 203820), (28, 152865), (30, 142674), (35, 122292), (36, 118895), (42, 101910), (43, 99540), (45, 95116), (60, 71337), (63, 67940), (70, 61146), (79, 54180), (84, 50955), (86, 49770), (90, 47558), (105, 40764), (126, 33970), (129, 33180), (140, 30573), (158, 27090), (172, 24885), (180, 23779), (210, 20382), (215, 19908), (237, 18060), (252, 16985), (258, 16590), (301, 14220), (315, 13588), (316, 13545), (387, 11060), (395, 10836), (420, 10191), (430, 9954), (474, 9030), (516, 8295), (553, 7740), (602, 7110), (630, 6794), (645, 6636), (711, 6020), (774, 5530), (790, 5418), (860, 4977), (903, 4740), (948, 4515), (1106, 3870), (1185, 3612), (1204, 3555), (1260, 3397), (1290, 3318), (1422, 3010), (1505, 2844), (1548, 2765), (1580, 2709), (1659, 2580), (1806, 2370), (1935, 2212)]