31218480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 160

約数和(自身を含む): 109368000

約数和(自身を除く): 78149520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 97, 108, 120, 135, 144, 149, 180, 194, 216, 240, 270, 291, 298, 360, 388, 432, 447, 485, 540, 582, 596, 720, 745, 776, 873, 894, 970, 1080, 1164, 1192, 1341, 1455, 1490, 1552, 1746, 1788, 1940, 2160, 2235, 2328, 2384, 2619, 2682, 2910, 2980, 3492, 3576, 3880, 4023, 4365, 4470, 4656, 5238, 5364, 5820, 5960, 6705, 6984, 7152, 7760, 8046, 8730, 8940, 10476, 10728, 11640, 11920, 13095, 13410, 13968, 14453, 16092, 17460, 17880, 20115, 20952, 21456, 23280, 26190, 26820, 28906, 32184, 34920, 35760, 40230, 41904, 43359, 52380, 53640, 57812, 64368, 69840, 72265, 80460, 86718, 104760, 107280, 115624, 130077, 144530, 160920, 173436, 209520, 216795, 231248, 260154, 289060, 321840, 346872, 390231, 433590, 520308, 578120, 650385, 693744, 780462, 867180, 1040616, 1156240, 1300770, 1560924, 1734360, 1951155, 2081232, 2601540, 3121848, 3468720, 3902310, 5203080, 6243696, 7804620, 10406160, 15609240, 31218480]

約数ペア:

[(1, 31218480), (2, 15609240), (3, 10406160), (4, 7804620), (5, 6243696), (6, 5203080), (8, 3902310), (9, 3468720), (10, 3121848), (12, 2601540), (15, 2081232), (16, 1951155), (18, 1734360), (20, 1560924), (24, 1300770), (27, 1156240), (30, 1040616), (36, 867180), (40, 780462), (45, 693744), (48, 650385), (54, 578120), (60, 520308), (72, 433590), (80, 390231), (90, 346872), (97, 321840), (108, 289060), (120, 260154), (135, 231248), (144, 216795), (149, 209520), (180, 173436), (194, 160920), (216, 144530), (240, 130077), (270, 115624), (291, 107280), (298, 104760), (360, 86718), (388, 80460), (432, 72265), (447, 69840), (485, 64368), (540, 57812), (582, 53640), (596, 52380), (720, 43359), (745, 41904), (776, 40230), (873, 35760), (894, 34920), (970, 32184), (1080, 28906), (1164, 26820), (1192, 26190), (1341, 23280), (1455, 21456), (1490, 20952), (1552, 20115), (1746, 17880), (1788, 17460), (1940, 16092), (2160, 14453), (2235, 13968), (2328, 13410), (2384, 13095), (2619, 11920), (2682, 11640), (2910, 10728), (2980, 10476), (3492, 8940), (3576, 8730), (3880, 8046), (4023, 7760), (4365, 7152), (4470, 6984), (4656, 6705), (5238, 5960), (5364, 5820)]