87467940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 216

約数和(自身を含む): 316697472

約数和(自身を除く): 229229532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 49, 60, 63, 70, 84, 90, 94, 98, 105, 126, 140, 141, 147, 180, 188, 196, 210, 211, 235, 245, 252, 282, 294, 315, 329, 420, 422, 423, 441, 470, 490, 564, 588, 630, 633, 658, 705, 735, 844, 846, 882, 940, 980, 987, 1055, 1260, 1266, 1316, 1410, 1470, 1477, 1645, 1692, 1764, 1899, 1974, 2110, 2115, 2205, 2303, 2532, 2820, 2940, 2954, 2961, 3165, 3290, 3798, 3948, 4220, 4230, 4410, 4431, 4606, 4935, 5908, 5922, 6330, 6580, 6909, 7385, 7596, 8460, 8820, 8862, 9212, 9495, 9870, 9917, 10339, 11515, 11844, 12660, 13293, 13818, 14770, 14805, 17724, 18990, 19740, 19834, 20678, 20727, 22155, 23030, 26586, 27636, 29540, 29610, 29751, 31017, 34545, 37980, 39668, 41356, 41454, 44310, 46060, 49585, 51695, 53172, 59220, 59502, 62034, 66465, 69090, 69419, 82908, 88620, 89253, 93051, 99170, 103390, 103635, 119004, 124068, 132930, 138180, 138838, 148755, 155085, 178506, 186102, 198340, 206780, 207270, 208257, 265860, 277676, 297510, 310170, 347095, 357012, 372204, 414540, 416514, 446265, 465255, 485933, 595020, 620340, 624771, 694190, 833028, 892530, 930510, 971866, 1041285, 1249542, 1388380, 1457799, 1785060, 1861020, 1943732, 2082570, 2429665, 2499084, 2915598, 3123855, 4165140, 4373397, 4859330, 5831196, 6247710, 7288995, 8746794, 9718660, 12495420, 14577990, 17493588, 21866985, 29155980, 43733970, 87467940]

約数ペア:

[(1, 87467940), (2, 43733970), (3, 29155980), (4, 21866985), (5, 17493588), (6, 14577990), (7, 12495420), (9, 9718660), (10, 8746794), (12, 7288995), (14, 6247710), (15, 5831196), (18, 4859330), (20, 4373397), (21, 4165140), (28, 3123855), (30, 2915598), (35, 2499084), (36, 2429665), (42, 2082570), (45, 1943732), (47, 1861020), (49, 1785060), (60, 1457799), (63, 1388380), (70, 1249542), (84, 1041285), (90, 971866), (94, 930510), (98, 892530), (105, 833028), (126, 694190), (140, 624771), (141, 620340), (147, 595020), (180, 485933), (188, 465255), (196, 446265), (210, 416514), (211, 414540), (235, 372204), (245, 357012), (252, 347095), (282, 310170), (294, 297510), (315, 277676), (329, 265860), (420, 208257), (422, 207270), (423, 206780), (441, 198340), (470, 186102), (490, 178506), (564, 155085), (588, 148755), (630, 138838), (633, 138180), (658, 132930), (705, 124068), (735, 119004), (844, 103635), (846, 103390), (882, 99170), (940, 93051), (980, 89253), (987, 88620), (1055, 82908), (1260, 69419), (1266, 69090), (1316, 66465), (1410, 62034), (1470, 59502), (1477, 59220), (1645, 53172), (1692, 51695), (1764, 49585), (1899, 46060), (1974, 44310), (2110, 41454), (2115, 41356), (2205, 39668), (2303, 37980), (2532, 34545), (2820, 31017), (2940, 29751), (2954, 29610), (2961, 29540), (3165, 27636), (3290, 26586), (3798, 23030), (3948, 22155), (4220, 20727), (4230, 20678), (4410, 19834), (4431, 19740), (4606, 18990), (4935, 17724), (5908, 14805), (5922, 14770), (6330, 13818), (6580, 13293), (6909, 12660), (7385, 11844), (7596, 11515), (8460, 10339), (8820, 9917), (8862, 9870), (9212, 9495)]