81790400

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 168

約数和(自身を含む): 222235776

約数和(自身を除く): 140445376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 64, 68, 80, 85, 97, 100, 124, 136, 155, 160, 170, 194, 200, 248, 272, 310, 320, 340, 388, 400, 425, 485, 496, 527, 544, 620, 680, 775, 776, 800, 850, 970, 992, 1054, 1088, 1240, 1360, 1550, 1552, 1600, 1649, 1700, 1940, 1984, 2108, 2425, 2480, 2635, 2720, 3007, 3100, 3104, 3298, 3400, 3880, 4216, 4850, 4960, 5270, 5440, 6014, 6200, 6208, 6596, 6800, 7760, 8245, 8432, 9700, 9920, 10540, 12028, 12400, 13175, 13192, 13600, 15035, 15520, 16490, 16864, 19400, 21080, 24056, 24800, 26350, 26384, 27200, 30070, 31040, 32980, 33728, 38800, 41225, 42160, 48112, 49600, 51119, 52700, 52768, 60140, 65960, 75175, 77600, 82450, 84320, 96224, 102238, 105400, 105536, 120280, 131920, 150350, 155200, 164900, 168640, 192448, 204476, 210800, 240560, 255595, 263840, 300700, 329800, 408952, 421600, 481120, 511190, 527680, 601400, 659600, 817904, 843200, 962240, 1022380, 1202800, 1277975, 1319200, 1635808, 2044760, 2405600, 2555950, 2638400, 3271616, 4089520, 4811200, 5111900, 8179040, 10223800, 16358080, 20447600, 40895200, 81790400]

約数ペア:

[(1, 81790400), (2, 40895200), (4, 20447600), (5, 16358080), (8, 10223800), (10, 8179040), (16, 5111900), (17, 4811200), (20, 4089520), (25, 3271616), (31, 2638400), (32, 2555950), (34, 2405600), (40, 2044760), (50, 1635808), (62, 1319200), (64, 1277975), (68, 1202800), (80, 1022380), (85, 962240), (97, 843200), (100, 817904), (124, 659600), (136, 601400), (155, 527680), (160, 511190), (170, 481120), (194, 421600), (200, 408952), (248, 329800), (272, 300700), (310, 263840), (320, 255595), (340, 240560), (388, 210800), (400, 204476), (425, 192448), (485, 168640), (496, 164900), (527, 155200), (544, 150350), (620, 131920), (680, 120280), (775, 105536), (776, 105400), (800, 102238), (850, 96224), (970, 84320), (992, 82450), (1054, 77600), (1088, 75175), (1240, 65960), (1360, 60140), (1550, 52768), (1552, 52700), (1600, 51119), (1649, 49600), (1700, 48112), (1940, 42160), (1984, 41225), (2108, 38800), (2425, 33728), (2480, 32980), (2635, 31040), (2720, 30070), (3007, 27200), (3100, 26384), (3104, 26350), (3298, 24800), (3400, 24056), (3880, 21080), (4216, 19400), (4850, 16864), (4960, 16490), (5270, 15520), (5440, 15035), (6014, 13600), (6200, 13192), (6208, 13175), (6596, 12400), (6800, 12028), (7760, 10540), (8245, 9920), (8432, 9700)]