19866240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3449}}^1$

素因数の和:3474

約数の個数: 96

約数和(自身を含む): 68620500

約数和(自身を除く): 48754260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3449, 5760, 6898, 10347, 13796, 17245, 20694, 27592, 31041, 34490, 41388, 51735, 55184, 62082, 68980, 82776, 103470, 110368, 124164, 137960, 155205, 165552, 206940, 220736, 248328, 275920, 310410, 331104, 413880, 441472, 496656, 551840, 620820, 662208, 827760, 993312, 1103680, 1241640, 1324416, 1655520, 1986624, 2207360, 2483280, 3311040, 3973248, 4966560, 6622080, 9933120, 19866240]

約数ペア:

[(1, 19866240), (2, 9933120), (3, 6622080), (4, 4966560), (5, 3973248), (6, 3311040), (8, 2483280), (9, 2207360), (10, 1986624), (12, 1655520), (15, 1324416), (16, 1241640), (18, 1103680), (20, 993312), (24, 827760), (30, 662208), (32, 620820), (36, 551840), (40, 496656), (45, 441472), (48, 413880), (60, 331104), (64, 310410), (72, 275920), (80, 248328), (90, 220736), (96, 206940), (120, 165552), (128, 155205), (144, 137960), (160, 124164), (180, 110368), (192, 103470), (240, 82776), (288, 68980), (320, 62082), (360, 55184), (384, 51735), (480, 41388), (576, 34490), (640, 31041), (720, 27592), (960, 20694), (1152, 17245), (1440, 13796), (1920, 10347), (2880, 6898), (3449, 5760)]