138801420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 438197760

約数和(自身を除く): 299396340

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, 227, 237, 258, 316, 387, 395, 430, 454, 474, 516, 645, 681, 711, 774, 790, 860, 908, 948, 1135, 1185, 1290, 1362, 1422, 1548, 1580, 1935, 2043, 2270, 2370, 2580, 2724, 2844, 3397, 3405, 3555, 3870, 4086, 4540, 4740, 6794, 6810, 7110, 7740, 8172, 9761, 10191, 10215, 13588, 13620, 14220, 16985, 17933, 19522, 20382, 20430, 29283, 30573, 33970, 35866, 39044, 40764, 40860, 48805, 50955, 53799, 58566, 61146, 67940, 71732, 87849, 89665, 97610, 101910, 107598, 117132, 122292, 146415, 152865, 161397, 175698, 179330, 195220, 203820, 215196, 268995, 292830, 305730, 322794, 351396, 358660, 439245, 537990, 585660, 611460, 645588, 771119, 806985, 878490, 1075980, 1542238, 1613970, 1756980, 2313357, 3084476, 3227940, 3855595, 4626714, 6940071, 7711190, 9253428, 11566785, 13880142, 15422380, 23133570, 27760284, 34700355, 46267140, 69400710, 138801420]

約数ペア:

[(1, 138801420), (2, 69400710), (3, 46267140), (4, 34700355), (5, 27760284), (6, 23133570), (9, 15422380), (10, 13880142), (12, 11566785), (15, 9253428), (18, 7711190), (20, 6940071), (30, 4626714), (36, 3855595), (43, 3227940), (45, 3084476), (60, 2313357), (79, 1756980), (86, 1613970), (90, 1542238), (129, 1075980), (158, 878490), (172, 806985), (180, 771119), (215, 645588), (227, 611460), (237, 585660), (258, 537990), (316, 439245), (387, 358660), (395, 351396), (430, 322794), (454, 305730), (474, 292830), (516, 268995), (645, 215196), (681, 203820), (711, 195220), (774, 179330), (790, 175698), (860, 161397), (908, 152865), (948, 146415), (1135, 122292), (1185, 117132), (1290, 107598), (1362, 101910), (1422, 97610), (1548, 89665), (1580, 87849), (1935, 71732), (2043, 67940), (2270, 61146), (2370, 58566), (2580, 53799), (2724, 50955), (2844, 48805), (3397, 40860), (3405, 40764), (3555, 39044), (3870, 35866), (4086, 33970), (4540, 30573), (4740, 29283), (6794, 20430), (6810, 20382), (7110, 19522), (7740, 17933), (8172, 16985), (9761, 14220), (10191, 13620), (10215, 13588)]