31883760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:560

約数の個数: 160

約数和(自身を含む): 113832000

約数和(自身を除く): 81948240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 509, 522, 540, 580, 696, 720, 783, 870, 1018, 1044, 1080, 1160, 1305, 1392, 1527, 1566, 1740, 2036, 2088, 2160, 2320, 2545, 2610, 3054, 3132, 3480, 3915, 4072, 4176, 4581, 5090, 5220, 6108, 6264, 6960, 7635, 7830, 8144, 9162, 10180, 10440, 12216, 12528, 13743, 14761, 15270, 15660, 18324, 20360, 20880, 22905, 24432, 27486, 29522, 30540, 31320, 36648, 40720, 44283, 45810, 54972, 59044, 61080, 62640, 68715, 73296, 73805, 88566, 91620, 109944, 118088, 122160, 132849, 137430, 147610, 177132, 183240, 219888, 221415, 236176, 265698, 274860, 295220, 354264, 366480, 398547, 442830, 531396, 549720, 590440, 664245, 708528, 797094, 885660, 1062792, 1099440, 1180880, 1328490, 1594188, 1771320, 1992735, 2125584, 2656980, 3188376, 3542640, 3985470, 5313960, 6376752, 7970940, 10627920, 15941880, 31883760]

約数ペア:

[(1, 31883760), (2, 15941880), (3, 10627920), (4, 7970940), (5, 6376752), (6, 5313960), (8, 3985470), (9, 3542640), (10, 3188376), (12, 2656980), (15, 2125584), (16, 1992735), (18, 1771320), (20, 1594188), (24, 1328490), (27, 1180880), (29, 1099440), (30, 1062792), (36, 885660), (40, 797094), (45, 708528), (48, 664245), (54, 590440), (58, 549720), (60, 531396), (72, 442830), (80, 398547), (87, 366480), (90, 354264), (108, 295220), (116, 274860), (120, 265698), (135, 236176), (144, 221415), (145, 219888), (174, 183240), (180, 177132), (216, 147610), (232, 137430), (240, 132849), (261, 122160), (270, 118088), (290, 109944), (348, 91620), (360, 88566), (432, 73805), (435, 73296), (464, 68715), (509, 62640), (522, 61080), (540, 59044), (580, 54972), (696, 45810), (720, 44283), (783, 40720), (870, 36648), (1018, 31320), (1044, 30540), (1080, 29522), (1160, 27486), (1305, 24432), (1392, 22905), (1527, 20880), (1566, 20360), (1740, 18324), (2036, 15660), (2088, 15270), (2160, 14761), (2320, 13743), (2545, 12528), (2610, 12216), (3054, 10440), (3132, 10180), (3480, 9162), (3915, 8144), (4072, 7830), (4176, 7635), (4581, 6960), (5090, 6264), (5220, 6108)]