31548720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:323

約数の個数: 160

約数和(自身を含む): 113564160

約数和(自身を除く): 82015440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 89, 105, 112, 120, 140, 168, 178, 210, 211, 240, 267, 280, 336, 356, 420, 422, 445, 534, 560, 623, 633, 712, 840, 844, 890, 1055, 1068, 1246, 1266, 1335, 1424, 1477, 1680, 1688, 1780, 1869, 2110, 2136, 2492, 2532, 2670, 2954, 3115, 3165, 3376, 3560, 3738, 4220, 4272, 4431, 4984, 5064, 5340, 5908, 6230, 6330, 7120, 7385, 7476, 8440, 8862, 9345, 9968, 10128, 10680, 11816, 12460, 12660, 14770, 14952, 16880, 17724, 18690, 18779, 21360, 22155, 23632, 24920, 25320, 29540, 29904, 35448, 37380, 37558, 44310, 49840, 50640, 56337, 59080, 70896, 74760, 75116, 88620, 93895, 112674, 118160, 131453, 149520, 150232, 177240, 187790, 225348, 262906, 281685, 300464, 354480, 375580, 394359, 450696, 525812, 563370, 657265, 751160, 788718, 901392, 1051624, 1126740, 1314530, 1502320, 1577436, 1971795, 2103248, 2253480, 2629060, 3154872, 3943590, 4506960, 5258120, 6309744, 7887180, 10516240, 15774360, 31548720]

約数ペア:

[(1, 31548720), (2, 15774360), (3, 10516240), (4, 7887180), (5, 6309744), (6, 5258120), (7, 4506960), (8, 3943590), (10, 3154872), (12, 2629060), (14, 2253480), (15, 2103248), (16, 1971795), (20, 1577436), (21, 1502320), (24, 1314530), (28, 1126740), (30, 1051624), (35, 901392), (40, 788718), (42, 751160), (48, 657265), (56, 563370), (60, 525812), (70, 450696), (80, 394359), (84, 375580), (89, 354480), (105, 300464), (112, 281685), (120, 262906), (140, 225348), (168, 187790), (178, 177240), (210, 150232), (211, 149520), (240, 131453), (267, 118160), (280, 112674), (336, 93895), (356, 88620), (420, 75116), (422, 74760), (445, 70896), (534, 59080), (560, 56337), (623, 50640), (633, 49840), (712, 44310), (840, 37558), (844, 37380), (890, 35448), (1055, 29904), (1068, 29540), (1246, 25320), (1266, 24920), (1335, 23632), (1424, 22155), (1477, 21360), (1680, 18779), (1688, 18690), (1780, 17724), (1869, 16880), (2110, 14952), (2136, 14770), (2492, 12660), (2532, 12460), (2670, 11816), (2954, 10680), (3115, 10128), (3165, 9968), (3376, 9345), (3560, 8862), (3738, 8440), (4220, 7476), (4272, 7385), (4431, 7120), (4984, 6330), (5064, 6230), (5340, 5908)]