28305180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 95800320

約数和(自身を除く): 67495140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 43, 45, 46, 53, 54, 60, 69, 86, 90, 92, 106, 108, 115, 129, 135, 138, 159, 172, 180, 207, 212, 215, 230, 258, 265, 270, 276, 318, 345, 387, 414, 430, 460, 477, 516, 530, 540, 621, 636, 645, 690, 774, 795, 828, 860, 954, 989, 1035, 1060, 1161, 1219, 1242, 1290, 1380, 1431, 1548, 1590, 1908, 1935, 1978, 2070, 2279, 2322, 2385, 2438, 2484, 2580, 2862, 2967, 3105, 3180, 3657, 3870, 3956, 4140, 4558, 4644, 4770, 4876, 4945, 5724, 5805, 5934, 6095, 6210, 6837, 7155, 7314, 7740, 8901, 9116, 9540, 9890, 10971, 11395, 11610, 11868, 12190, 12420, 13674, 14310, 14628, 14835, 17802, 18285, 19780, 20511, 21942, 22790, 23220, 24380, 26703, 27348, 28620, 29670, 32913, 34185, 35604, 36570, 41022, 43884, 44505, 45580, 52417, 53406, 54855, 59340, 61533, 65826, 68370, 73140, 82044, 89010, 102555, 104834, 106812, 109710, 123066, 131652, 133515, 136740, 157251, 164565, 178020, 205110, 209668, 219420, 246132, 262085, 267030, 307665, 314502, 329130, 410220, 471753, 524170, 534060, 615330, 629004, 658260, 786255, 943506, 1048340, 1230660, 1415259, 1572510, 1887012, 2358765, 2830518, 3145020, 4717530, 5661036, 7076295, 9435060, 14152590, 28305180]

約数ペア:

[(1, 28305180), (2, 14152590), (3, 9435060), (4, 7076295), (5, 5661036), (6, 4717530), (9, 3145020), (10, 2830518), (12, 2358765), (15, 1887012), (18, 1572510), (20, 1415259), (23, 1230660), (27, 1048340), (30, 943506), (36, 786255), (43, 658260), (45, 629004), (46, 615330), (53, 534060), (54, 524170), (60, 471753), (69, 410220), (86, 329130), (90, 314502), (92, 307665), (106, 267030), (108, 262085), (115, 246132), (129, 219420), (135, 209668), (138, 205110), (159, 178020), (172, 164565), (180, 157251), (207, 136740), (212, 133515), (215, 131652), (230, 123066), (258, 109710), (265, 106812), (270, 104834), (276, 102555), (318, 89010), (345, 82044), (387, 73140), (414, 68370), (430, 65826), (460, 61533), (477, 59340), (516, 54855), (530, 53406), (540, 52417), (621, 45580), (636, 44505), (645, 43884), (690, 41022), (774, 36570), (795, 35604), (828, 34185), (860, 32913), (954, 29670), (989, 28620), (1035, 27348), (1060, 26703), (1161, 24380), (1219, 23220), (1242, 22790), (1290, 21942), (1380, 20511), (1431, 19780), (1548, 18285), (1590, 17802), (1908, 14835), (1935, 14628), (1978, 14310), (2070, 13674), (2279, 12420), (2322, 12190), (2385, 11868), (2438, 11610), (2484, 11395), (2580, 10971), (2862, 9890), (2967, 9540), (3105, 9116), (3180, 8901), (3657, 7740), (3870, 7314), (3956, 7155), (4140, 6837), (4558, 6210), (4644, 6095), (4770, 5934), (4876, 5805), (4945, 5724)]