72400800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:431

約数の個数: 144

約数和(自身を含む): 238859712

約数和(自身を除く): 166458912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 97, 100, 120, 150, 160, 194, 200, 240, 291, 300, 311, 388, 400, 480, 485, 582, 600, 622, 776, 800, 933, 970, 1164, 1200, 1244, 1455, 1552, 1555, 1866, 1940, 2328, 2400, 2425, 2488, 2910, 3104, 3110, 3732, 3880, 4656, 4665, 4850, 4976, 5820, 6220, 7275, 7464, 7760, 7775, 9312, 9330, 9700, 9952, 11640, 12440, 14550, 14928, 15520, 15550, 18660, 19400, 23280, 23325, 24880, 29100, 29856, 30167, 31100, 37320, 38800, 46560, 46650, 49760, 58200, 60334, 62200, 74640, 77600, 90501, 93300, 116400, 120668, 124400, 149280, 150835, 181002, 186600, 232800, 241336, 248800, 301670, 362004, 373200, 452505, 482672, 603340, 724008, 746400, 754175, 905010, 965344, 1206680, 1448016, 1508350, 1810020, 2262525, 2413360, 2896032, 3016700, 3620040, 4525050, 4826720, 6033400, 7240080, 9050100, 12066800, 14480160, 18100200, 24133600, 36200400, 72400800]

約数ペア:

[(1, 72400800), (2, 36200400), (3, 24133600), (4, 18100200), (5, 14480160), (6, 12066800), (8, 9050100), (10, 7240080), (12, 6033400), (15, 4826720), (16, 4525050), (20, 3620040), (24, 3016700), (25, 2896032), (30, 2413360), (32, 2262525), (40, 1810020), (48, 1508350), (50, 1448016), (60, 1206680), (75, 965344), (80, 905010), (96, 754175), (97, 746400), (100, 724008), (120, 603340), (150, 482672), (160, 452505), (194, 373200), (200, 362004), (240, 301670), (291, 248800), (300, 241336), (311, 232800), (388, 186600), (400, 181002), (480, 150835), (485, 149280), (582, 124400), (600, 120668), (622, 116400), (776, 93300), (800, 90501), (933, 77600), (970, 74640), (1164, 62200), (1200, 60334), (1244, 58200), (1455, 49760), (1552, 46650), (1555, 46560), (1866, 38800), (1940, 37320), (2328, 31100), (2400, 30167), (2425, 29856), (2488, 29100), (2910, 24880), (3104, 23325), (3110, 23280), (3732, 19400), (3880, 18660), (4656, 15550), (4665, 15520), (4850, 14928), (4976, 14550), (5820, 12440), (6220, 11640), (7275, 9952), (7464, 9700), (7760, 9330), (7775, 9312)]