1225500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:84

約数の個数: 96

約数和(自身を含む): 3843840

約数和(自身を除く): 2618340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 43, 50, 57, 60, 75, 76, 86, 95, 100, 114, 125, 129, 150, 172, 190, 215, 228, 250, 258, 285, 300, 375, 380, 430, 475, 500, 516, 570, 645, 750, 817, 860, 950, 1075, 1140, 1290, 1425, 1500, 1634, 1900, 2150, 2375, 2451, 2580, 2850, 3225, 3268, 4085, 4300, 4750, 4902, 5375, 5700, 6450, 7125, 8170, 9500, 9804, 10750, 12255, 12900, 14250, 16125, 16340, 20425, 21500, 24510, 28500, 32250, 40850, 49020, 61275, 64500, 81700, 102125, 122550, 204250, 245100, 306375, 408500, 612750, 1225500]

約数ペア:

[(1, 1225500), (2, 612750), (3, 408500), (4, 306375), (5, 245100), (6, 204250), (10, 122550), (12, 102125), (15, 81700), (19, 64500), (20, 61275), (25, 49020), (30, 40850), (38, 32250), (43, 28500), (50, 24510), (57, 21500), (60, 20425), (75, 16340), (76, 16125), (86, 14250), (95, 12900), (100, 12255), (114, 10750), (125, 9804), (129, 9500), (150, 8170), (172, 7125), (190, 6450), (215, 5700), (228, 5375), (250, 4902), (258, 4750), (285, 4300), (300, 4085), (375, 3268), (380, 3225), (430, 2850), (475, 2580), (500, 2451), (516, 2375), (570, 2150), (645, 1900), (750, 1634), (817, 1500), (860, 1425), (950, 1290), (1075, 1140)]