64437900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{347}}^1\times {\mathrm{619}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 187279680

約数和(自身を除く): 122841780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 347, 619, 694, 1041, 1238, 1388, 1735, 1857, 2082, 2476, 3095, 3470, 3714, 4164, 5205, 6190, 6940, 7428, 8675, 9285, 10410, 12380, 15475, 17350, 18570, 20820, 26025, 30950, 34700, 37140, 46425, 52050, 61900, 92850, 104100, 185700, 214793, 429586, 644379, 859172, 1073965, 1288758, 2147930, 2577516, 3221895, 4295860, 5369825, 6443790, 10739650, 12887580, 16109475, 21479300, 32218950, 64437900]

約数ペア:

[(1, 64437900), (2, 32218950), (3, 21479300), (4, 16109475), (5, 12887580), (6, 10739650), (10, 6443790), (12, 5369825), (15, 4295860), (20, 3221895), (25, 2577516), (30, 2147930), (50, 1288758), (60, 1073965), (75, 859172), (100, 644379), (150, 429586), (300, 214793), (347, 185700), (619, 104100), (694, 92850), (1041, 61900), (1238, 52050), (1388, 46425), (1735, 37140), (1857, 34700), (2082, 30950), (2476, 26025), (3095, 20820), (3470, 18570), (3714, 17350), (4164, 15475), (5205, 12380), (6190, 10410), (6940, 9285), (7428, 8675)]