1420020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{23}}^1$

素因数の和:59

約数の個数: 144

約数和(自身を含む): 5241600

約数和(自身を除く): 3821580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 49, 60, 63, 69, 70, 84, 90, 92, 98, 105, 115, 126, 138, 140, 147, 161, 180, 196, 207, 210, 230, 245, 252, 276, 294, 315, 322, 343, 345, 414, 420, 441, 460, 483, 490, 588, 630, 644, 686, 690, 735, 805, 828, 882, 966, 980, 1029, 1035, 1127, 1260, 1372, 1380, 1449, 1470, 1610, 1715, 1764, 1932, 2058, 2070, 2205, 2254, 2415, 2898, 2940, 3087, 3220, 3381, 3430, 4116, 4140, 4410, 4508, 4830, 5145, 5635, 5796, 6174, 6762, 6860, 7245, 7889, 8820, 9660, 10143, 10290, 11270, 12348, 13524, 14490, 15435, 15778, 16905, 20286, 20580, 22540, 23667, 28980, 30870, 31556, 33810, 39445, 40572, 47334, 50715, 61740, 67620, 71001, 78890, 94668, 101430, 118335, 142002, 157780, 202860, 236670, 284004, 355005, 473340, 710010, 1420020]

約数ペア:

[(1, 1420020), (2, 710010), (3, 473340), (4, 355005), (5, 284004), (6, 236670), (7, 202860), (9, 157780), (10, 142002), (12, 118335), (14, 101430), (15, 94668), (18, 78890), (20, 71001), (21, 67620), (23, 61740), (28, 50715), (30, 47334), (35, 40572), (36, 39445), (42, 33810), (45, 31556), (46, 30870), (49, 28980), (60, 23667), (63, 22540), (69, 20580), (70, 20286), (84, 16905), (90, 15778), (92, 15435), (98, 14490), (105, 13524), (115, 12348), (126, 11270), (138, 10290), (140, 10143), (147, 9660), (161, 8820), (180, 7889), (196, 7245), (207, 6860), (210, 6762), (230, 6174), (245, 5796), (252, 5635), (276, 5145), (294, 4830), (315, 4508), (322, 4410), (343, 4140), (345, 4116), (414, 3430), (420, 3381), (441, 3220), (460, 3087), (483, 2940), (490, 2898), (588, 2415), (630, 2254), (644, 2205), (686, 2070), (690, 2058), (735, 1932), (805, 1764), (828, 1715), (882, 1610), (966, 1470), (980, 1449), (1029, 1380), (1035, 1372), (1127, 1260)]