31227840

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1549}}^1$

素因数の和:1579

約数の個数: 168

約数和(自身を含む): 122834400

約数和(自身を除く): 91606560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1549, 1680, 2016, 2240, 2520, 2880, 3098, 3360, 4032, 4647, 5040, 6196, 6720, 7745, 9294, 10080, 10843, 12392, 13941, 15490, 18588, 20160, 21686, 23235, 24784, 27882, 30980, 32529, 37176, 43372, 46470, 49568, 54215, 55764, 61960, 65058, 69705, 74352, 86744, 92940, 97587, 99136, 108430, 111528, 123920, 130116, 139410, 148704, 162645, 173488, 185880, 195174, 216860, 223056, 247840, 260232, 278820, 297408, 325290, 346976, 371760, 390348, 433720, 446112, 487935, 495680, 520464, 557640, 650580, 693952, 743520, 780696, 867440, 892224, 975870, 1040928, 1115280, 1301160, 1487040, 1561392, 1734880, 1951740, 2081856, 2230560, 2602320, 3122784, 3469760, 3903480, 4461120, 5204640, 6245568, 7806960, 10409280, 15613920, 31227840]

約数ペア:

[(1, 31227840), (2, 15613920), (3, 10409280), (4, 7806960), (5, 6245568), (6, 5204640), (7, 4461120), (8, 3903480), (9, 3469760), (10, 3122784), (12, 2602320), (14, 2230560), (15, 2081856), (16, 1951740), (18, 1734880), (20, 1561392), (21, 1487040), (24, 1301160), (28, 1115280), (30, 1040928), (32, 975870), (35, 892224), (36, 867440), (40, 780696), (42, 743520), (45, 693952), (48, 650580), (56, 557640), (60, 520464), (63, 495680), (64, 487935), (70, 446112), (72, 433720), (80, 390348), (84, 371760), (90, 346976), (96, 325290), (105, 297408), (112, 278820), (120, 260232), (126, 247840), (140, 223056), (144, 216860), (160, 195174), (168, 185880), (180, 173488), (192, 162645), (210, 148704), (224, 139410), (240, 130116), (252, 123920), (280, 111528), (288, 108430), (315, 99136), (320, 97587), (336, 92940), (360, 86744), (420, 74352), (448, 69705), (480, 65058), (504, 61960), (560, 55764), (576, 54215), (630, 49568), (672, 46470), (720, 43372), (840, 37176), (960, 32529), (1008, 30980), (1120, 27882), (1260, 24784), (1344, 23235), (1440, 21686), (1549, 20160), (1680, 18588), (2016, 15490), (2240, 13941), (2520, 12392), (2880, 10843), (3098, 10080), (3360, 9294), (4032, 7745), (4647, 6720), (5040, 6196)]