81444420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3209}}^1$

素因数の和:3274

約数の個数: 96

約数和(自身を含む): 258854400

約数和(自身を除く): 177409980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 846, 940, 1269, 1410, 1692, 2115, 2538, 2820, 3209, 4230, 5076, 6345, 6418, 8460, 9627, 12690, 12836, 16045, 19254, 25380, 28881, 32090, 38508, 48135, 57762, 64180, 86643, 96270, 115524, 144405, 150823, 173286, 192540, 288810, 301646, 346572, 433215, 452469, 577620, 603292, 754115, 866430, 904938, 1357407, 1508230, 1732860, 1809876, 2262345, 2714814, 3016460, 4072221, 4524690, 5429628, 6787035, 8144442, 9049380, 13574070, 16288884, 20361105, 27148140, 40722210, 81444420]

約数ペア:

[(1, 81444420), (2, 40722210), (3, 27148140), (4, 20361105), (5, 16288884), (6, 13574070), (9, 9049380), (10, 8144442), (12, 6787035), (15, 5429628), (18, 4524690), (20, 4072221), (27, 3016460), (30, 2714814), (36, 2262345), (45, 1809876), (47, 1732860), (54, 1508230), (60, 1357407), (90, 904938), (94, 866430), (108, 754115), (135, 603292), (141, 577620), (180, 452469), (188, 433215), (235, 346572), (270, 301646), (282, 288810), (423, 192540), (470, 173286), (540, 150823), (564, 144405), (705, 115524), (846, 96270), (940, 86643), (1269, 64180), (1410, 57762), (1692, 48135), (2115, 38508), (2538, 32090), (2820, 28881), (3209, 25380), (4230, 19254), (5076, 16045), (6345, 12836), (6418, 12690), (8460, 9627)]