28018800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 180

約数和(自身を含む): 100043944

約数和(自身を除く): 72025144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 43, 45, 48, 50, 60, 72, 75, 80, 86, 90, 100, 120, 129, 144, 150, 172, 180, 181, 200, 215, 225, 240, 258, 300, 344, 360, 362, 387, 400, 430, 450, 516, 543, 600, 645, 688, 720, 724, 774, 860, 900, 905, 1032, 1075, 1086, 1200, 1290, 1448, 1548, 1629, 1720, 1800, 1810, 1935, 2064, 2150, 2172, 2580, 2715, 2896, 3096, 3225, 3258, 3440, 3600, 3620, 3870, 4300, 4344, 4525, 5160, 5430, 6192, 6450, 6516, 7240, 7740, 7783, 8145, 8600, 8688, 9050, 9675, 10320, 10860, 12900, 13032, 13575, 14480, 15480, 15566, 16290, 17200, 18100, 19350, 21720, 23349, 25800, 26064, 27150, 30960, 31132, 32580, 36200, 38700, 38915, 40725, 43440, 46698, 51600, 54300, 62264, 65160, 70047, 72400, 77400, 77830, 81450, 93396, 108600, 116745, 124528, 130320, 140094, 154800, 155660, 162900, 186792, 194575, 217200, 233490, 280188, 311320, 325800, 350235, 373584, 389150, 466980, 560376, 583725, 622640, 651600, 700470, 778300, 933960, 1120752, 1167450, 1400940, 1556600, 1751175, 1867920, 2334900, 2801880, 3113200, 3502350, 4669800, 5603760, 7004700, 9339600, 14009400, 28018800]

約数ペア:

[(1, 28018800), (2, 14009400), (3, 9339600), (4, 7004700), (5, 5603760), (6, 4669800), (8, 3502350), (9, 3113200), (10, 2801880), (12, 2334900), (15, 1867920), (16, 1751175), (18, 1556600), (20, 1400940), (24, 1167450), (25, 1120752), (30, 933960), (36, 778300), (40, 700470), (43, 651600), (45, 622640), (48, 583725), (50, 560376), (60, 466980), (72, 389150), (75, 373584), (80, 350235), (86, 325800), (90, 311320), (100, 280188), (120, 233490), (129, 217200), (144, 194575), (150, 186792), (172, 162900), (180, 155660), (181, 154800), (200, 140094), (215, 130320), (225, 124528), (240, 116745), (258, 108600), (300, 93396), (344, 81450), (360, 77830), (362, 77400), (387, 72400), (400, 70047), (430, 65160), (450, 62264), (516, 54300), (543, 51600), (600, 46698), (645, 43440), (688, 40725), (720, 38915), (724, 38700), (774, 36200), (860, 32580), (900, 31132), (905, 30960), (1032, 27150), (1075, 26064), (1086, 25800), (1200, 23349), (1290, 21720), (1448, 19350), (1548, 18100), (1629, 17200), (1720, 16290), (1800, 15566), (1810, 15480), (1935, 14480), (2064, 13575), (2150, 13032), (2172, 12900), (2580, 10860), (2715, 10320), (2896, 9675), (3096, 9050), (3225, 8688), (3258, 8600), (3440, 8145), (3600, 7783), (3620, 7740), (3870, 7240), (4300, 6516), (4344, 6450), (4525, 6192), (5160, 5430)]