31877280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 114670080

約数和(自身を除く): 82792800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 72, 80, 90, 94, 96, 108, 120, 135, 141, 144, 157, 160, 180, 188, 216, 235, 240, 270, 282, 288, 314, 360, 376, 423, 432, 470, 471, 480, 540, 564, 628, 705, 720, 752, 785, 846, 864, 940, 942, 1080, 1128, 1256, 1269, 1410, 1413, 1440, 1504, 1570, 1692, 1880, 1884, 2115, 2160, 2256, 2355, 2512, 2538, 2820, 2826, 3140, 3384, 3760, 3768, 4230, 4239, 4320, 4512, 4710, 5024, 5076, 5640, 5652, 6280, 6345, 6768, 7065, 7379, 7520, 7536, 8460, 8478, 9420, 10152, 11280, 11304, 12560, 12690, 13536, 14130, 14758, 15072, 16920, 16956, 18840, 20304, 21195, 22137, 22560, 22608, 25120, 25380, 28260, 29516, 33840, 33912, 36895, 37680, 40608, 42390, 44274, 45216, 50760, 56520, 59032, 66411, 67680, 67824, 73790, 75360, 84780, 88548, 101520, 110685, 113040, 118064, 132822, 135648, 147580, 169560, 177096, 199233, 203040, 221370, 226080, 236128, 265644, 295160, 332055, 339120, 354192, 398466, 442740, 531288, 590320, 664110, 678240, 708384, 796932, 885480, 996165, 1062576, 1180640, 1328220, 1593864, 1770960, 1992330, 2125152, 2656440, 3187728, 3541920, 3984660, 5312880, 6375456, 7969320, 10625760, 15938640, 31877280]

約数ペア:

[(1, 31877280), (2, 15938640), (3, 10625760), (4, 7969320), (5, 6375456), (6, 5312880), (8, 3984660), (9, 3541920), (10, 3187728), (12, 2656440), (15, 2125152), (16, 1992330), (18, 1770960), (20, 1593864), (24, 1328220), (27, 1180640), (30, 1062576), (32, 996165), (36, 885480), (40, 796932), (45, 708384), (47, 678240), (48, 664110), (54, 590320), (60, 531288), (72, 442740), (80, 398466), (90, 354192), (94, 339120), (96, 332055), (108, 295160), (120, 265644), (135, 236128), (141, 226080), (144, 221370), (157, 203040), (160, 199233), (180, 177096), (188, 169560), (216, 147580), (235, 135648), (240, 132822), (270, 118064), (282, 113040), (288, 110685), (314, 101520), (360, 88548), (376, 84780), (423, 75360), (432, 73790), (470, 67824), (471, 67680), (480, 66411), (540, 59032), (564, 56520), (628, 50760), (705, 45216), (720, 44274), (752, 42390), (785, 40608), (846, 37680), (864, 36895), (940, 33912), (942, 33840), (1080, 29516), (1128, 28260), (1256, 25380), (1269, 25120), (1410, 22608), (1413, 22560), (1440, 22137), (1504, 21195), (1570, 20304), (1692, 18840), (1880, 16956), (1884, 16920), (2115, 15072), (2160, 14758), (2256, 14130), (2355, 13536), (2512, 12690), (2538, 12560), (2820, 11304), (2826, 11280), (3140, 10152), (3384, 9420), (3760, 8478), (3768, 8460), (4230, 7536), (4239, 7520), (4320, 7379), (4512, 7065), (4710, 6768), (5024, 6345), (5076, 6280), (5640, 5652)]