31502880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 108972864

約数和(自身を除く): 77469984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 131, 144, 160, 167, 180, 240, 262, 288, 334, 360, 393, 480, 501, 524, 655, 668, 720, 786, 835, 1002, 1048, 1179, 1310, 1336, 1440, 1503, 1572, 1670, 1965, 2004, 2096, 2358, 2505, 2620, 2672, 3006, 3144, 3340, 3930, 4008, 4192, 4716, 5010, 5240, 5344, 5895, 6012, 6288, 6680, 7515, 7860, 8016, 9432, 10020, 10480, 11790, 12024, 12576, 13360, 15030, 15720, 16032, 18864, 20040, 20960, 21877, 23580, 24048, 26720, 30060, 31440, 37728, 40080, 43754, 47160, 48096, 60120, 62880, 65631, 80160, 87508, 94320, 109385, 120240, 131262, 175016, 188640, 196893, 218770, 240480, 262524, 328155, 350032, 393786, 437540, 525048, 656310, 700064, 787572, 875080, 984465, 1050096, 1312620, 1575144, 1750160, 1968930, 2100192, 2625240, 3150288, 3500320, 3937860, 5250480, 6300576, 7875720, 10500960, 15751440, 31502880]

約数ペア:

[(1, 31502880), (2, 15751440), (3, 10500960), (4, 7875720), (5, 6300576), (6, 5250480), (8, 3937860), (9, 3500320), (10, 3150288), (12, 2625240), (15, 2100192), (16, 1968930), (18, 1750160), (20, 1575144), (24, 1312620), (30, 1050096), (32, 984465), (36, 875080), (40, 787572), (45, 700064), (48, 656310), (60, 525048), (72, 437540), (80, 393786), (90, 350032), (96, 328155), (120, 262524), (131, 240480), (144, 218770), (160, 196893), (167, 188640), (180, 175016), (240, 131262), (262, 120240), (288, 109385), (334, 94320), (360, 87508), (393, 80160), (480, 65631), (501, 62880), (524, 60120), (655, 48096), (668, 47160), (720, 43754), (786, 40080), (835, 37728), (1002, 31440), (1048, 30060), (1179, 26720), (1310, 24048), (1336, 23580), (1440, 21877), (1503, 20960), (1572, 20040), (1670, 18864), (1965, 16032), (2004, 15720), (2096, 15030), (2358, 13360), (2505, 12576), (2620, 12024), (2672, 11790), (3006, 10480), (3144, 10020), (3340, 9432), (3930, 8016), (4008, 7860), (4192, 7515), (4716, 6680), (5010, 6288), (5240, 6012), (5344, 5895)]