1222920

素因数分解:

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

素因数の和:139

約数の個数: 96

約数和(自身を含む): 4118400

約数和(自身を除く): 2895480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 79, 86, 90, 120, 129, 158, 172, 180, 215, 237, 258, 316, 344, 360, 387, 395, 430, 474, 516, 632, 645, 711, 774, 790, 860, 948, 1032, 1185, 1290, 1422, 1548, 1580, 1720, 1896, 1935, 2370, 2580, 2844, 3096, 3160, 3397, 3555, 3870, 4740, 5160, 5688, 6794, 7110, 7740, 9480, 10191, 13588, 14220, 15480, 16985, 20382, 27176, 28440, 30573, 33970, 40764, 50955, 61146, 67940, 81528, 101910, 122292, 135880, 152865, 203820, 244584, 305730, 407640, 611460, 1222920]

約数ペア:

[(1, 1222920), (2, 611460), (3, 407640), (4, 305730), (5, 244584), (6, 203820), (8, 152865), (9, 135880), (10, 122292), (12, 101910), (15, 81528), (18, 67940), (20, 61146), (24, 50955), (30, 40764), (36, 33970), (40, 30573), (43, 28440), (45, 27176), (60, 20382), (72, 16985), (79, 15480), (86, 14220), (90, 13588), (120, 10191), (129, 9480), (158, 7740), (172, 7110), (180, 6794), (215, 5688), (237, 5160), (258, 4740), (316, 3870), (344, 3555), (360, 3397), (387, 3160), (395, 3096), (430, 2844), (474, 2580), (516, 2370), (632, 1935), (645, 1896), (711, 1720), (774, 1580), (790, 1548), (860, 1422), (948, 1290), (1032, 1185)]