18977400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:846

約数の個数: 144

約数和(自身を含む): 68719560

約数和(自身を除く): 49742160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 811, 900, 936, 975, 1170, 1300, 1560, 1622, 1800, 1950, 2340, 2433, 2600, 2925, 3244, 3900, 4055, 4680, 4866, 5850, 6488, 7299, 7800, 8110, 9732, 10543, 11700, 12165, 14598, 16220, 19464, 20275, 21086, 23400, 24330, 29196, 31629, 32440, 36495, 40550, 42172, 48660, 52715, 58392, 60825, 63258, 72990, 81100, 84344, 94887, 97320, 105430, 121650, 126516, 145980, 158145, 162200, 182475, 189774, 210860, 243300, 253032, 263575, 291960, 316290, 364950, 379548, 421720, 474435, 486600, 527150, 632580, 729900, 759096, 790725, 948870, 1054300, 1265160, 1459800, 1581450, 1897740, 2108600, 2372175, 3162900, 3795480, 4744350, 6325800, 9488700, 18977400]

約数ペア:

[(1, 18977400), (2, 9488700), (3, 6325800), (4, 4744350), (5, 3795480), (6, 3162900), (8, 2372175), (9, 2108600), (10, 1897740), (12, 1581450), (13, 1459800), (15, 1265160), (18, 1054300), (20, 948870), (24, 790725), (25, 759096), (26, 729900), (30, 632580), (36, 527150), (39, 486600), (40, 474435), (45, 421720), (50, 379548), (52, 364950), (60, 316290), (65, 291960), (72, 263575), (75, 253032), (78, 243300), (90, 210860), (100, 189774), (104, 182475), (117, 162200), (120, 158145), (130, 145980), (150, 126516), (156, 121650), (180, 105430), (195, 97320), (200, 94887), (225, 84344), (234, 81100), (260, 72990), (300, 63258), (312, 60825), (325, 58392), (360, 52715), (390, 48660), (450, 42172), (468, 40550), (520, 36495), (585, 32440), (600, 31629), (650, 29196), (780, 24330), (811, 23400), (900, 21086), (936, 20275), (975, 19464), (1170, 16220), (1300, 14598), (1560, 12165), (1622, 11700), (1800, 10543), (1950, 9732), (2340, 8110), (2433, 7800), (2600, 7299), (2925, 6488), (3244, 5850), (3900, 4866), (4055, 4680)]