31919580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:94

約数の個数: 288

約数和(自身を含む): 125798400

約数和(自身を除く): 93878820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 47, 49, 55, 60, 63, 66, 70, 77, 84, 90, 94, 98, 99, 105, 110, 126, 132, 140, 141, 147, 154, 165, 180, 188, 196, 198, 210, 220, 231, 235, 245, 252, 282, 294, 308, 315, 329, 330, 343, 385, 396, 420, 423, 441, 462, 470, 490, 495, 517, 539, 564, 588, 630, 658, 660, 686, 693, 705, 735, 770, 846, 882, 924, 940, 980, 987, 990, 1029, 1034, 1078, 1155, 1260, 1316, 1372, 1386, 1410, 1470, 1540, 1551, 1617, 1645, 1692, 1715, 1764, 1974, 1980, 2058, 2068, 2115, 2156, 2205, 2303, 2310, 2585, 2695, 2772, 2820, 2940, 2961, 3087, 3102, 3234, 3290, 3430, 3465, 3619, 3773, 3948, 4116, 4230, 4410, 4606, 4620, 4653, 4851, 4935, 5145, 5170, 5390, 5922, 6174, 6204, 6468, 6580, 6860, 6909, 6930, 7238, 7546, 7755, 8085, 8460, 8820, 9212, 9306, 9702, 9870, 10290, 10340, 10780, 10857, 11319, 11515, 11844, 12348, 13818, 13860, 14476, 14805, 15092, 15435, 15510, 16121, 16170, 18095, 18612, 18865, 19404, 19740, 20580, 20727, 21714, 22638, 23030, 23265, 24255, 25333, 27636, 29610, 30870, 31020, 32242, 32340, 32571, 33957, 34545, 36190, 37730, 41454, 43428, 45276, 46060, 46530, 48363, 48510, 50666, 54285, 56595, 59220, 61740, 64484, 65142, 67914, 69090, 72380, 75460, 75999, 80605, 82908, 93060, 96726, 97020, 101332, 103635, 108570, 113190, 126665, 130284, 135828, 138180, 145089, 151998, 161210, 162855, 169785, 177331, 193452, 207270, 217140, 226380, 227997, 241815, 253330, 290178, 303996, 322420, 325710, 339570, 354662, 379995, 414540, 455994, 483630, 506660, 531993, 580356, 651420, 679140, 709324, 725445, 759990, 886655, 911988, 967260, 1063986, 1139985, 1450890, 1519980, 1595979, 1773310, 2127972, 2279970, 2659965, 2901780, 3191958, 3546620, 4559940, 5319930, 6383916, 7979895, 10639860, 15959790, 31919580]

約数ペア:

[(1, 31919580), (2, 15959790), (3, 10639860), (4, 7979895), (5, 6383916), (6, 5319930), (7, 4559940), (9, 3546620), (10, 3191958), (11, 2901780), (12, 2659965), (14, 2279970), (15, 2127972), (18, 1773310), (20, 1595979), (21, 1519980), (22, 1450890), (28, 1139985), (30, 1063986), (33, 967260), (35, 911988), (36, 886655), (42, 759990), (44, 725445), (45, 709324), (47, 679140), (49, 651420), (55, 580356), (60, 531993), (63, 506660), (66, 483630), (70, 455994), (77, 414540), (84, 379995), (90, 354662), (94, 339570), (98, 325710), (99, 322420), (105, 303996), (110, 290178), (126, 253330), (132, 241815), (140, 227997), (141, 226380), (147, 217140), (154, 207270), (165, 193452), (180, 177331), (188, 169785), (196, 162855), (198, 161210), (210, 151998), (220, 145089), (231, 138180), (235, 135828), (245, 130284), (252, 126665), (282, 113190), (294, 108570), (308, 103635), (315, 101332), (329, 97020), (330, 96726), (343, 93060), (385, 82908), (396, 80605), (420, 75999), (423, 75460), (441, 72380), (462, 69090), (470, 67914), (490, 65142), (495, 64484), (517, 61740), (539, 59220), (564, 56595), (588, 54285), (630, 50666), (658, 48510), (660, 48363), (686, 46530), (693, 46060), (705, 45276), (735, 43428), (770, 41454), (846, 37730), (882, 36190), (924, 34545), (940, 33957), (980, 32571), (987, 32340), (990, 32242), (1029, 31020), (1034, 30870), (1078, 29610), (1155, 27636), (1260, 25333), (1316, 24255), (1372, 23265), (1386, 23030), (1410, 22638), (1470, 21714), (1540, 20727), (1551, 20580), (1617, 19740), (1645, 19404), (1692, 18865), (1715, 18612), (1764, 18095), (1974, 16170), (1980, 16121), (2058, 15510), (2068, 15435), (2115, 15092), (2156, 14805), (2205, 14476), (2303, 13860), (2310, 13818), (2585, 12348), (2695, 11844), (2772, 11515), (2820, 11319), (2940, 10857), (2961, 10780), (3087, 10340), (3102, 10290), (3234, 9870), (3290, 9702), (3430, 9306), (3465, 9212), (3619, 8820), (3773, 8460), (3948, 8085), (4116, 7755), (4230, 7546), (4410, 7238), (4606, 6930), (4620, 6909), (4653, 6860), (4851, 6580), (4935, 6468), (5145, 6204), (5170, 6174), (5390, 5922)]