31898070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 91054080

約数和(自身を除く): 59156010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 37, 45, 54, 62, 74, 90, 93, 103, 111, 135, 155, 185, 186, 206, 222, 270, 279, 309, 310, 333, 370, 465, 515, 555, 558, 618, 666, 837, 927, 930, 999, 1030, 1110, 1147, 1395, 1545, 1665, 1674, 1854, 1998, 2294, 2781, 2790, 3090, 3193, 3330, 3441, 3811, 4185, 4635, 4995, 5562, 5735, 6386, 6882, 7622, 8370, 9270, 9579, 9990, 10323, 11433, 11470, 13905, 15965, 17205, 19055, 19158, 20646, 22866, 27810, 28737, 30969, 31930, 34299, 34410, 38110, 47895, 51615, 57165, 57474, 61938, 68598, 86211, 95790, 102897, 103230, 114330, 118141, 143685, 154845, 171495, 172422, 205794, 236282, 287370, 309690, 342990, 354423, 431055, 514485, 590705, 708846, 862110, 1028970, 1063269, 1181410, 1772115, 2126538, 3189807, 3544230, 5316345, 6379614, 10632690, 15949035, 31898070]

約数ペア:

[(1, 31898070), (2, 15949035), (3, 10632690), (5, 6379614), (6, 5316345), (9, 3544230), (10, 3189807), (15, 2126538), (18, 1772115), (27, 1181410), (30, 1063269), (31, 1028970), (37, 862110), (45, 708846), (54, 590705), (62, 514485), (74, 431055), (90, 354423), (93, 342990), (103, 309690), (111, 287370), (135, 236282), (155, 205794), (185, 172422), (186, 171495), (206, 154845), (222, 143685), (270, 118141), (279, 114330), (309, 103230), (310, 102897), (333, 95790), (370, 86211), (465, 68598), (515, 61938), (555, 57474), (558, 57165), (618, 51615), (666, 47895), (837, 38110), (927, 34410), (930, 34299), (999, 31930), (1030, 30969), (1110, 28737), (1147, 27810), (1395, 22866), (1545, 20646), (1665, 19158), (1674, 19055), (1854, 17205), (1998, 15965), (2294, 13905), (2781, 11470), (2790, 11433), (3090, 10323), (3193, 9990), (3330, 9579), (3441, 9270), (3811, 8370), (4185, 7622), (4635, 6882), (4995, 6386), (5562, 5735)]