30789990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1515

約数の個数: 128

約数和(自身を含む): 102435840

約数和(自身を除く): 71645850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 135, 154, 165, 189, 198, 210, 231, 270, 297, 315, 330, 378, 385, 462, 495, 594, 630, 693, 770, 945, 990, 1155, 1386, 1481, 1485, 1890, 2079, 2310, 2962, 2970, 3465, 4158, 4443, 6930, 7405, 8886, 10367, 10395, 13329, 14810, 16291, 20734, 20790, 22215, 26658, 31101, 32582, 39987, 44430, 48873, 51835, 62202, 66645, 79974, 81455, 93303, 97746, 103670, 114037, 133290, 146619, 155505, 162910, 186606, 199935, 228074, 244365, 279909, 293238, 311010, 342111, 399870, 439857, 466515, 488730, 559818, 570185, 684222, 733095, 879714, 933030, 1026333, 1140370, 1399545, 1466190, 1710555, 2052666, 2199285, 2799090, 3078999, 3421110, 4398570, 5131665, 6157998, 10263330, 15394995, 30789990]

約数ペア:

[(1, 30789990), (2, 15394995), (3, 10263330), (5, 6157998), (6, 5131665), (7, 4398570), (9, 3421110), (10, 3078999), (11, 2799090), (14, 2199285), (15, 2052666), (18, 1710555), (21, 1466190), (22, 1399545), (27, 1140370), (30, 1026333), (33, 933030), (35, 879714), (42, 733095), (45, 684222), (54, 570185), (55, 559818), (63, 488730), (66, 466515), (70, 439857), (77, 399870), (90, 342111), (99, 311010), (105, 293238), (110, 279909), (126, 244365), (135, 228074), (154, 199935), (165, 186606), (189, 162910), (198, 155505), (210, 146619), (231, 133290), (270, 114037), (297, 103670), (315, 97746), (330, 93303), (378, 81455), (385, 79974), (462, 66645), (495, 62202), (594, 51835), (630, 48873), (693, 44430), (770, 39987), (945, 32582), (990, 31101), (1155, 26658), (1386, 22215), (1481, 20790), (1485, 20734), (1890, 16291), (2079, 14810), (2310, 13329), (2962, 10395), (2970, 10367), (3465, 8886), (4158, 7405), (4443, 6930)]