213399540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 672672000

約数和(自身を除く): 459272460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 79, 86, 90, 129, 158, 172, 180, 215, 237, 258, 316, 349, 387, 395, 430, 474, 516, 645, 698, 711, 774, 790, 860, 948, 1047, 1185, 1290, 1396, 1422, 1548, 1580, 1745, 1935, 2094, 2370, 2580, 2844, 3141, 3397, 3490, 3555, 3870, 4188, 4740, 5235, 6282, 6794, 6980, 7110, 7740, 10191, 10470, 12564, 13588, 14220, 15007, 15705, 16985, 20382, 20940, 27571, 30014, 30573, 31410, 33970, 40764, 45021, 50955, 55142, 60028, 61146, 62820, 67940, 75035, 82713, 90042, 101910, 110284, 122292, 135063, 137855, 150070, 152865, 165426, 180084, 203820, 225105, 248139, 270126, 275710, 300140, 305730, 330852, 413565, 450210, 496278, 540252, 551420, 611460, 675315, 827130, 900420, 992556, 1185553, 1240695, 1350630, 1654260, 2371106, 2481390, 2701260, 3556659, 4742212, 4962780, 5927765, 7113318, 10669977, 11855530, 14226636, 17783295, 21339954, 23711060, 35566590, 42679908, 53349885, 71133180, 106699770, 213399540]

約数ペア:

[(1, 213399540), (2, 106699770), (3, 71133180), (4, 53349885), (5, 42679908), (6, 35566590), (9, 23711060), (10, 21339954), (12, 17783295), (15, 14226636), (18, 11855530), (20, 10669977), (30, 7113318), (36, 5927765), (43, 4962780), (45, 4742212), (60, 3556659), (79, 2701260), (86, 2481390), (90, 2371106), (129, 1654260), (158, 1350630), (172, 1240695), (180, 1185553), (215, 992556), (237, 900420), (258, 827130), (316, 675315), (349, 611460), (387, 551420), (395, 540252), (430, 496278), (474, 450210), (516, 413565), (645, 330852), (698, 305730), (711, 300140), (774, 275710), (790, 270126), (860, 248139), (948, 225105), (1047, 203820), (1185, 180084), (1290, 165426), (1396, 152865), (1422, 150070), (1548, 137855), (1580, 135063), (1745, 122292), (1935, 110284), (2094, 101910), (2370, 90042), (2580, 82713), (2844, 75035), (3141, 67940), (3397, 62820), (3490, 61146), (3555, 60028), (3870, 55142), (4188, 50955), (4740, 45021), (5235, 40764), (6282, 33970), (6794, 31410), (6980, 30573), (7110, 30014), (7740, 27571), (10191, 20940), (10470, 20382), (12564, 16985), (13588, 15705), (14220, 15007)]