131562760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:731

約数の個数: 128

約数和(自身を含む): 364953600

約数和(自身を除く): 233390840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 659, 713, 805, 868, 920, 1085, 1240, 1288, 1318, 1426, 1610, 1736, 2170, 2636, 2852, 3220, 3295, 3565, 4340, 4613, 4991, 5272, 5704, 6440, 6590, 7130, 8680, 9226, 9982, 13180, 14260, 15157, 18452, 19964, 20429, 23065, 24955, 26360, 28520, 30314, 36904, 39928, 40858, 46130, 49910, 60628, 75785, 81716, 92260, 99820, 102145, 106099, 121256, 143003, 151570, 163432, 184520, 199640, 204290, 212198, 286006, 303140, 408580, 424396, 469867, 530495, 572012, 606280, 715015, 817160, 848792, 939734, 1060990, 1144024, 1430030, 1879468, 2121980, 2349335, 2860060, 3289069, 3758936, 4243960, 4698670, 5720120, 6578138, 9397340, 13156276, 16445345, 18794680, 26312552, 32890690, 65781380, 131562760]

約数ペア:

[(1, 131562760), (2, 65781380), (4, 32890690), (5, 26312552), (7, 18794680), (8, 16445345), (10, 13156276), (14, 9397340), (20, 6578138), (23, 5720120), (28, 4698670), (31, 4243960), (35, 3758936), (40, 3289069), (46, 2860060), (56, 2349335), (62, 2121980), (70, 1879468), (92, 1430030), (115, 1144024), (124, 1060990), (140, 939734), (155, 848792), (161, 817160), (184, 715015), (217, 606280), (230, 572012), (248, 530495), (280, 469867), (310, 424396), (322, 408580), (434, 303140), (460, 286006), (620, 212198), (644, 204290), (659, 199640), (713, 184520), (805, 163432), (868, 151570), (920, 143003), (1085, 121256), (1240, 106099), (1288, 102145), (1318, 99820), (1426, 92260), (1610, 81716), (1736, 75785), (2170, 60628), (2636, 49910), (2852, 46130), (3220, 40858), (3295, 39928), (3565, 36904), (4340, 30314), (4613, 28520), (4991, 26360), (5272, 24955), (5704, 23065), (6440, 20429), (6590, 19964), (7130, 18452), (8680, 15157), (9226, 14260), (9982, 13180)]