78051420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1164

約数の個数: 144

約数和(自身を含む): 261817920

約数和(自身を除く): 183766500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 460, 510, 612, 690, 765, 782, 828, 1020, 1035, 1109, 1173, 1380, 1530, 1564, 1955, 2070, 2218, 2346, 3060, 3327, 3519, 3910, 4140, 4436, 4692, 5545, 5865, 6654, 7038, 7820, 9981, 11090, 11730, 13308, 14076, 16635, 17595, 18853, 19962, 22180, 23460, 25507, 33270, 35190, 37706, 39924, 49905, 51014, 56559, 66540, 70380, 75412, 76521, 94265, 99810, 102028, 113118, 127535, 153042, 169677, 188530, 199620, 226236, 229563, 255070, 282795, 306084, 339354, 377060, 382605, 433619, 459126, 510140, 565590, 678708, 765210, 848385, 867238, 918252, 1131180, 1147815, 1300857, 1530420, 1696770, 1734476, 2168095, 2295630, 2601714, 3393540, 3902571, 4336190, 4591260, 5203428, 6504285, 7805142, 8672380, 13008570, 15610284, 19512855, 26017140, 39025710, 78051420]

約数ペア:

[(1, 78051420), (2, 39025710), (3, 26017140), (4, 19512855), (5, 15610284), (6, 13008570), (9, 8672380), (10, 7805142), (12, 6504285), (15, 5203428), (17, 4591260), (18, 4336190), (20, 3902571), (23, 3393540), (30, 2601714), (34, 2295630), (36, 2168095), (45, 1734476), (46, 1696770), (51, 1530420), (60, 1300857), (68, 1147815), (69, 1131180), (85, 918252), (90, 867238), (92, 848385), (102, 765210), (115, 678708), (138, 565590), (153, 510140), (170, 459126), (180, 433619), (204, 382605), (207, 377060), (230, 339354), (255, 306084), (276, 282795), (306, 255070), (340, 229563), (345, 226236), (391, 199620), (414, 188530), (460, 169677), (510, 153042), (612, 127535), (690, 113118), (765, 102028), (782, 99810), (828, 94265), (1020, 76521), (1035, 75412), (1109, 70380), (1173, 66540), (1380, 56559), (1530, 51014), (1564, 49905), (1955, 39924), (2070, 37706), (2218, 35190), (2346, 33270), (3060, 25507), (3327, 23460), (3519, 22180), (3910, 19962), (4140, 18853), (4436, 17595), (4692, 16635), (5545, 14076), (5865, 13308), (6654, 11730), (7038, 11090), (7820, 9981)]