31507920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:554

約数の個数: 160

約数和(自身を含む): 112492800

約数和(自身を除く): 80984880

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, 503, 522, 540, 580, 696, 720, 783, 870, 1006, 1044, 1080, 1160, 1305, 1392, 1509, 1566, 1740, 2012, 2088, 2160, 2320, 2515, 2610, 3018, 3132, 3480, 3915, 4024, 4176, 4527, 5030, 5220, 6036, 6264, 6960, 7545, 7830, 8048, 9054, 10060, 10440, 12072, 12528, 13581, 14587, 15090, 15660, 18108, 20120, 20880, 22635, 24144, 27162, 29174, 30180, 31320, 36216, 40240, 43761, 45270, 54324, 58348, 60360, 62640, 67905, 72432, 72935, 87522, 90540, 108648, 116696, 120720, 131283, 135810, 145870, 175044, 181080, 217296, 218805, 233392, 262566, 271620, 291740, 350088, 362160, 393849, 437610, 525132, 543240, 583480, 656415, 700176, 787698, 875220, 1050264, 1086480, 1166960, 1312830, 1575396, 1750440, 1969245, 2100528, 2625660, 3150792, 3500880, 3938490, 5251320, 6301584, 7876980, 10502640, 15753960, 31507920]

約数ペア:

[(1, 31507920), (2, 15753960), (3, 10502640), (4, 7876980), (5, 6301584), (6, 5251320), (8, 3938490), (9, 3500880), (10, 3150792), (12, 2625660), (15, 2100528), (16, 1969245), (18, 1750440), (20, 1575396), (24, 1312830), (27, 1166960), (29, 1086480), (30, 1050264), (36, 875220), (40, 787698), (45, 700176), (48, 656415), (54, 583480), (58, 543240), (60, 525132), (72, 437610), (80, 393849), (87, 362160), (90, 350088), (108, 291740), (116, 271620), (120, 262566), (135, 233392), (144, 218805), (145, 217296), (174, 181080), (180, 175044), (216, 145870), (232, 135810), (240, 131283), (261, 120720), (270, 116696), (290, 108648), (348, 90540), (360, 87522), (432, 72935), (435, 72432), (464, 67905), (503, 62640), (522, 60360), (540, 58348), (580, 54324), (696, 45270), (720, 43761), (783, 40240), (870, 36216), (1006, 31320), (1044, 30180), (1080, 29174), (1160, 27162), (1305, 24144), (1392, 22635), (1509, 20880), (1566, 20120), (1740, 18108), (2012, 15660), (2088, 15090), (2160, 14587), (2320, 13581), (2515, 12528), (2610, 12072), (3018, 10440), (3132, 10060), (3480, 9054), (3915, 8048), (4024, 7830), (4176, 7545), (4527, 6960), (5030, 6264), (5220, 6036)]