72980400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1079

約数の個数: 120

約数和(自身を含む): 237851344

約数和(自身を除く): 164870944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 61, 75, 80, 100, 120, 122, 150, 183, 200, 240, 244, 300, 305, 366, 400, 488, 600, 610, 732, 915, 976, 997, 1200, 1220, 1464, 1525, 1830, 1994, 2440, 2928, 2991, 3050, 3660, 3988, 4575, 4880, 4985, 5982, 6100, 7320, 7976, 9150, 9970, 11964, 12200, 14640, 14955, 15952, 18300, 19940, 23928, 24400, 24925, 29910, 36600, 39880, 47856, 49850, 59820, 60817, 73200, 74775, 79760, 99700, 119640, 121634, 149550, 182451, 199400, 239280, 243268, 299100, 304085, 364902, 398800, 486536, 598200, 608170, 729804, 912255, 973072, 1196400, 1216340, 1459608, 1520425, 1824510, 2432680, 2919216, 3040850, 3649020, 4561275, 4865360, 6081700, 7298040, 9122550, 12163400, 14596080, 18245100, 24326800, 36490200, 72980400]

約数ペア:

[(1, 72980400), (2, 36490200), (3, 24326800), (4, 18245100), (5, 14596080), (6, 12163400), (8, 9122550), (10, 7298040), (12, 6081700), (15, 4865360), (16, 4561275), (20, 3649020), (24, 3040850), (25, 2919216), (30, 2432680), (40, 1824510), (48, 1520425), (50, 1459608), (60, 1216340), (61, 1196400), (75, 973072), (80, 912255), (100, 729804), (120, 608170), (122, 598200), (150, 486536), (183, 398800), (200, 364902), (240, 304085), (244, 299100), (300, 243268), (305, 239280), (366, 199400), (400, 182451), (488, 149550), (600, 121634), (610, 119640), (732, 99700), (915, 79760), (976, 74775), (997, 73200), (1200, 60817), (1220, 59820), (1464, 49850), (1525, 47856), (1830, 39880), (1994, 36600), (2440, 29910), (2928, 24925), (2991, 24400), (3050, 23928), (3660, 19940), (3988, 18300), (4575, 15952), (4880, 14955), (4985, 14640), (5982, 12200), (6100, 11964), (7320, 9970), (7976, 9150)]