87591420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{9931}}^1$

素因数の和:9960

約数の個数: 108

約数和(自身を含む): 309103704

約数和(自身を除く): 221512284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 9931, 19862, 29793, 39724, 49655, 59586, 69517, 89379, 99310, 119172, 139034, 148965, 178758, 198620, 208551, 278068, 297930, 347585, 357516, 417102, 446895, 486619, 595860, 625653, 695170, 834204, 893790, 973238, 1042755, 1251306, 1390340, 1459857, 1787580, 1946476, 2085510, 2433095, 2502612, 2919714, 3128265, 4171020, 4379571, 4866190, 5839428, 6256530, 7299285, 8759142, 9732380, 12513060, 14598570, 17518284, 21897855, 29197140, 43795710, 87591420]

約数ペア:

[(1, 87591420), (2, 43795710), (3, 29197140), (4, 21897855), (5, 17518284), (6, 14598570), (7, 12513060), (9, 9732380), (10, 8759142), (12, 7299285), (14, 6256530), (15, 5839428), (18, 4866190), (20, 4379571), (21, 4171020), (28, 3128265), (30, 2919714), (35, 2502612), (36, 2433095), (42, 2085510), (45, 1946476), (49, 1787580), (60, 1459857), (63, 1390340), (70, 1251306), (84, 1042755), (90, 973238), (98, 893790), (105, 834204), (126, 695170), (140, 625653), (147, 595860), (180, 486619), (196, 446895), (210, 417102), (245, 357516), (252, 347585), (294, 297930), (315, 278068), (420, 208551), (441, 198620), (490, 178758), (588, 148965), (630, 139034), (735, 119172), (882, 99310), (980, 89379), (1260, 69517), (1470, 59586), (1764, 49655), (2205, 39724), (2940, 29793), (4410, 19862), (8820, 9931)]