31319820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 114279984

約数和(自身を除く): 82960164

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, 53, 60, 63, 67, 70, 84, 90, 98, 105, 106, 126, 134, 140, 147, 159, 180, 196, 201, 210, 212, 245, 252, 265, 268, 294, 315, 318, 335, 371, 402, 420, 441, 469, 477, 490, 530, 588, 603, 630, 636, 670, 735, 742, 795, 804, 882, 938, 954, 980, 1005, 1060, 1113, 1206, 1260, 1340, 1407, 1470, 1484, 1590, 1764, 1855, 1876, 1908, 2010, 2205, 2226, 2345, 2385, 2412, 2597, 2814, 2940, 3015, 3180, 3283, 3339, 3551, 3710, 4020, 4221, 4410, 4452, 4690, 4770, 5194, 5565, 5628, 6030, 6566, 6678, 7035, 7102, 7420, 7791, 8442, 8820, 9380, 9540, 9849, 10388, 10653, 11130, 12060, 12985, 13132, 13356, 14070, 14204, 15582, 16415, 16695, 16884, 17755, 19698, 21105, 21306, 22260, 23373, 24857, 25970, 28140, 29547, 31164, 31959, 32830, 33390, 35510, 38955, 39396, 42210, 42612, 46746, 49245, 49714, 51940, 53265, 59094, 63918, 65660, 66780, 71020, 74571, 77910, 84420, 93492, 98490, 99428, 106530, 116865, 118188, 124285, 127836, 147735, 149142, 155820, 159795, 173999, 196980, 213060, 223713, 233730, 248570, 295470, 298284, 319590, 347998, 372855, 447426, 467460, 497140, 521997, 590940, 639180, 695996, 745710, 869995, 894852, 1043994, 1118565, 1491420, 1565991, 1739990, 2087988, 2237130, 2609985, 3131982, 3479980, 4474260, 5219970, 6263964, 7829955, 10439940, 15659910, 31319820]

約数ペア:

[(1, 31319820), (2, 15659910), (3, 10439940), (4, 7829955), (5, 6263964), (6, 5219970), (7, 4474260), (9, 3479980), (10, 3131982), (12, 2609985), (14, 2237130), (15, 2087988), (18, 1739990), (20, 1565991), (21, 1491420), (28, 1118565), (30, 1043994), (35, 894852), (36, 869995), (42, 745710), (45, 695996), (49, 639180), (53, 590940), (60, 521997), (63, 497140), (67, 467460), (70, 447426), (84, 372855), (90, 347998), (98, 319590), (105, 298284), (106, 295470), (126, 248570), (134, 233730), (140, 223713), (147, 213060), (159, 196980), (180, 173999), (196, 159795), (201, 155820), (210, 149142), (212, 147735), (245, 127836), (252, 124285), (265, 118188), (268, 116865), (294, 106530), (315, 99428), (318, 98490), (335, 93492), (371, 84420), (402, 77910), (420, 74571), (441, 71020), (469, 66780), (477, 65660), (490, 63918), (530, 59094), (588, 53265), (603, 51940), (630, 49714), (636, 49245), (670, 46746), (735, 42612), (742, 42210), (795, 39396), (804, 38955), (882, 35510), (938, 33390), (954, 32830), (980, 31959), (1005, 31164), (1060, 29547), (1113, 28140), (1206, 25970), (1260, 24857), (1340, 23373), (1407, 22260), (1470, 21306), (1484, 21105), (1590, 19698), (1764, 17755), (1855, 16884), (1876, 16695), (1908, 16415), (2010, 15582), (2205, 14204), (2226, 14070), (2345, 13356), (2385, 13132), (2412, 12985), (2597, 12060), (2814, 11130), (2940, 10653), (3015, 10388), (3180, 9849), (3283, 9540), (3339, 9380), (3551, 8820), (3710, 8442), (4020, 7791), (4221, 7420), (4410, 7102), (4452, 7035), (4690, 6678), (4770, 6566), (5194, 6030), (5565, 5628)]