55405800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{30781}}^1$

素因数の和:30803

約数の個数: 72

約数和(自身を含む): 186077190

約数和(自身を除く): 130671390

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 30781, 61562, 92343, 123124, 153905, 184686, 246248, 277029, 307810, 369372, 461715, 554058, 615620, 738744, 769525, 923430, 1108116, 1231240, 1385145, 1539050, 1846860, 2216232, 2308575, 2770290, 3078100, 3693720, 4617150, 5540580, 6156200, 6925725, 9234300, 11081160, 13851450, 18468600, 27702900, 55405800]

約数ペア:

[(1, 55405800), (2, 27702900), (3, 18468600), (4, 13851450), (5, 11081160), (6, 9234300), (8, 6925725), (9, 6156200), (10, 5540580), (12, 4617150), (15, 3693720), (18, 3078100), (20, 2770290), (24, 2308575), (25, 2216232), (30, 1846860), (36, 1539050), (40, 1385145), (45, 1231240), (50, 1108116), (60, 923430), (72, 769525), (75, 738744), (90, 615620), (100, 554058), (120, 461715), (150, 369372), (180, 307810), (200, 277029), (225, 246248), (300, 184686), (360, 153905), (450, 123124), (600, 92343), (900, 61562), (1800, 30781)]