73872120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{87943}}^1$

素因数の和:87964

約数の個数: 64

約数和(自身を含む): 253278720

約数和(自身を除く): 179406600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 87943, 175886, 263829, 351772, 439715, 527658, 615601, 703544, 879430, 1055316, 1231202, 1319145, 1758860, 1846803, 2110632, 2462404, 2638290, 3078005, 3517720, 3693606, 4924808, 5276580, 6156010, 7387212, 9234015, 10553160, 12312020, 14774424, 18468030, 24624040, 36936060, 73872120]

約数ペア:

[(1, 73872120), (2, 36936060), (3, 24624040), (4, 18468030), (5, 14774424), (6, 12312020), (7, 10553160), (8, 9234015), (10, 7387212), (12, 6156010), (14, 5276580), (15, 4924808), (20, 3693606), (21, 3517720), (24, 3078005), (28, 2638290), (30, 2462404), (35, 2110632), (40, 1846803), (42, 1758860), (56, 1319145), (60, 1231202), (70, 1055316), (84, 879430), (105, 703544), (120, 615601), (140, 527658), (168, 439715), (210, 351772), (280, 263829), (420, 175886), (840, 87943)]