71855820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1279

約数の個数: 72

約数和(自身を含む): 218653344

約数和(自身を除く): 146797524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 617, 647, 1234, 1294, 1851, 1941, 2468, 2588, 3085, 3235, 3702, 3882, 5553, 5823, 6170, 6470, 7404, 7764, 9255, 9705, 11106, 11646, 12340, 12940, 18510, 19410, 22212, 23292, 27765, 29115, 37020, 38820, 55530, 58230, 111060, 116460, 399199, 798398, 1197597, 1596796, 1995995, 2395194, 3592791, 3991990, 4790388, 5987985, 7185582, 7983980, 11975970, 14371164, 17963955, 23951940, 35927910, 71855820]

約数ペア:

[(1, 71855820), (2, 35927910), (3, 23951940), (4, 17963955), (5, 14371164), (6, 11975970), (9, 7983980), (10, 7185582), (12, 5987985), (15, 4790388), (18, 3991990), (20, 3592791), (30, 2395194), (36, 1995995), (45, 1596796), (60, 1197597), (90, 798398), (180, 399199), (617, 116460), (647, 111060), (1234, 58230), (1294, 55530), (1851, 38820), (1941, 37020), (2468, 29115), (2588, 27765), (3085, 23292), (3235, 22212), (3702, 19410), (3882, 18510), (5553, 12940), (5823, 12340), (6170, 11646), (6470, 11106), (7404, 9705), (7764, 9255)]