18896400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 180

約数和(自身を含む): 68211780

約数和(自身を除く): 49315380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 29, 30, 36, 40, 45, 48, 50, 58, 60, 72, 75, 80, 87, 90, 100, 116, 120, 144, 145, 150, 174, 180, 181, 200, 225, 232, 240, 261, 290, 300, 348, 360, 362, 400, 435, 450, 464, 522, 543, 580, 600, 696, 720, 724, 725, 870, 900, 905, 1044, 1086, 1160, 1200, 1305, 1392, 1448, 1450, 1629, 1740, 1800, 1810, 2088, 2172, 2175, 2320, 2610, 2715, 2896, 2900, 3258, 3480, 3600, 3620, 4176, 4344, 4350, 4525, 5220, 5249, 5430, 5800, 6516, 6525, 6960, 7240, 8145, 8688, 8700, 9050, 10440, 10498, 10860, 11600, 13032, 13050, 13575, 14480, 15747, 16290, 17400, 18100, 20880, 20996, 21720, 26064, 26100, 26245, 27150, 31494, 32580, 34800, 36200, 40725, 41992, 43440, 47241, 52200, 52490, 54300, 62988, 65160, 72400, 78735, 81450, 83984, 94482, 104400, 104980, 108600, 125976, 130320, 131225, 157470, 162900, 188964, 209960, 217200, 236205, 251952, 262450, 314940, 325800, 377928, 393675, 419920, 472410, 524900, 629880, 651600, 755856, 787350, 944820, 1049800, 1181025, 1259760, 1574700, 1889640, 2099600, 2362050, 3149400, 3779280, 4724100, 6298800, 9448200, 18896400]

約数ペア:

[(1, 18896400), (2, 9448200), (3, 6298800), (4, 4724100), (5, 3779280), (6, 3149400), (8, 2362050), (9, 2099600), (10, 1889640), (12, 1574700), (15, 1259760), (16, 1181025), (18, 1049800), (20, 944820), (24, 787350), (25, 755856), (29, 651600), (30, 629880), (36, 524900), (40, 472410), (45, 419920), (48, 393675), (50, 377928), (58, 325800), (60, 314940), (72, 262450), (75, 251952), (80, 236205), (87, 217200), (90, 209960), (100, 188964), (116, 162900), (120, 157470), (144, 131225), (145, 130320), (150, 125976), (174, 108600), (180, 104980), (181, 104400), (200, 94482), (225, 83984), (232, 81450), (240, 78735), (261, 72400), (290, 65160), (300, 62988), (348, 54300), (360, 52490), (362, 52200), (400, 47241), (435, 43440), (450, 41992), (464, 40725), (522, 36200), (543, 34800), (580, 32580), (600, 31494), (696, 27150), (720, 26245), (724, 26100), (725, 26064), (870, 21720), (900, 20996), (905, 20880), (1044, 18100), (1086, 17400), (1160, 16290), (1200, 15747), (1305, 14480), (1392, 13575), (1448, 13050), (1450, 13032), (1629, 11600), (1740, 10860), (1800, 10498), (1810, 10440), (2088, 9050), (2172, 8700), (2175, 8688), (2320, 8145), (2610, 7240), (2715, 6960), (2896, 6525), (2900, 6516), (3258, 5800), (3480, 5430), (3600, 5249), (3620, 5220), (4176, 4525), (4344, 4350)]